Java tutorial
/* * Copyright 2014-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with * the License. A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions * and limitations under the License. */ package com.amazonaws.services.simpledb; import org.w3c.dom.*; import java.net.*; import java.util.*; import javax.annotation.Generated; import org.apache.commons.logging.*; import com.amazonaws.*; import com.amazonaws.annotation.SdkInternalApi; import com.amazonaws.auth.*; import com.amazonaws.handlers.*; import com.amazonaws.http.*; import com.amazonaws.internal.*; import com.amazonaws.internal.auth.*; import com.amazonaws.metrics.*; import com.amazonaws.regions.*; import com.amazonaws.transform.*; import com.amazonaws.util.*; import com.amazonaws.protocol.json.*; import com.amazonaws.util.AWSRequestMetrics.Field; import com.amazonaws.annotation.ThreadSafe; import com.amazonaws.client.AwsSyncClientParams; import com.amazonaws.client.builder.AdvancedConfig; import com.amazonaws.services.simpledb.AmazonSimpleDBClientBuilder; import com.amazonaws.AmazonServiceException; import com.amazonaws.services.simpledb.model.*; import com.amazonaws.services.simpledb.model.transform.*; /** * Client for accessing Amazon SimpleDB. All service calls made using this client are blocking, and will not return * until the service call completes. * <p> * Amazon SimpleDB is a web service providing the core database functions of data indexing and querying in the cloud. By * offloading the time and effort associated with building and operating a web-scale database, SimpleDB provides * developers the freedom to focus on application development. * <p> * A traditional, clustered relational database requires a sizable upfront capital outlay, is complex to design, and * often requires extensive and repetitive database administration. Amazon SimpleDB is dramatically simpler, requiring * no schema, automatically indexing your data and providing a simple API for storage and access. This approach * eliminates the administrative burden of data modeling, index maintenance, and performance tuning. Developers gain * access to this functionality within Amazon's proven computing environment, are able to scale instantly, and pay only * for what they use. * </p> * <p> * Visit <a href="http://aws.amazon.com/simpledb/">http://aws.amazon.com/simpledb/</a> for more information. * </p> */ @ThreadSafe @Generated("com.amazonaws:aws-java-sdk-code-generator") public class AmazonSimpleDBClient extends AmazonWebServiceClient implements AmazonSimpleDB { /** Provider for AWS credentials. */ private final AWSCredentialsProvider awsCredentialsProvider; private static final Log log = LogFactory.getLog(AmazonSimpleDB.class); /** Default signing name for the service. */ private static final String DEFAULT_SIGNING_NAME = "sdb"; /** Client configuration factory providing ClientConfigurations tailored to this client */ protected static final ClientConfigurationFactory configFactory = new ClientConfigurationFactory(); private final AdvancedConfig advancedConfig; /** * List of exception unmarshallers for all modeled exceptions */ protected final List<Unmarshaller<AmazonServiceException, Node>> exceptionUnmarshallers = new ArrayList<Unmarshaller<AmazonServiceException, Node>>(); /** * Constructs a new client to invoke service methods on Amazon SimpleDB. A credentials provider chain will be used * that searches for credentials in this order: * <ul> * <li>Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY</li> * <li>Java System Properties - aws.accessKeyId and aws.secretKey</li> * <li>Instance profile credentials delivered through the Amazon EC2 metadata service</li> * </ul> * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @see DefaultAWSCredentialsProviderChain * @deprecated use {@link AmazonSimpleDBClientBuilder#defaultClient()} */ @Deprecated public AmazonSimpleDBClient() { this(DefaultAWSCredentialsProviderChain.getInstance(), configFactory.getConfig()); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB. A credentials provider chain will be used * that searches for credentials in this order: * <ul> * <li>Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY</li> * <li>Java System Properties - aws.accessKeyId and aws.secretKey</li> * <li>Instance profile credentials delivered through the Amazon EC2 metadata service</li> * </ul> * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param clientConfiguration * The client configuration options controlling how this client connects to Amazon SimpleDB (ex: proxy * settings, retry counts, etc.). * * @see DefaultAWSCredentialsProviderChain * @deprecated use {@link AmazonSimpleDBClientBuilder#withClientConfiguration(ClientConfiguration)} */ @Deprecated public AmazonSimpleDBClient(ClientConfiguration clientConfiguration) { this(DefaultAWSCredentialsProviderChain.getInstance(), clientConfiguration); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified AWS account credentials. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentials * The AWS credentials (access key ID and secret key) to use when authenticating with AWS services. * @deprecated use {@link AmazonSimpleDBClientBuilder#withCredentials(AWSCredentialsProvider)} for example: * {@code AmazonSimpleDBClientBuilder.standard().withCredentials(new AWSStaticCredentialsProvider(awsCredentials)).build();} */ @Deprecated public AmazonSimpleDBClient(AWSCredentials awsCredentials) { this(awsCredentials, configFactory.getConfig()); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified AWS account credentials * and client configuration options. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentials * The AWS credentials (access key ID and secret key) to use when authenticating with AWS services. * @param clientConfiguration * The client configuration options controlling how this client connects to Amazon SimpleDB (ex: proxy * settings, retry counts, etc.). * @deprecated use {@link AmazonSimpleDBClientBuilder#withCredentials(AWSCredentialsProvider)} and * {@link AmazonSimpleDBClientBuilder#withClientConfiguration(ClientConfiguration)} */ @Deprecated public AmazonSimpleDBClient(AWSCredentials awsCredentials, ClientConfiguration clientConfiguration) { super(clientConfiguration); this.awsCredentialsProvider = new StaticCredentialsProvider(awsCredentials); this.advancedConfig = AdvancedConfig.EMPTY; init(); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified AWS account credentials * provider. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials to authenticate requests with AWS services. * @deprecated use {@link AmazonSimpleDBClientBuilder#withCredentials(AWSCredentialsProvider)} */ @Deprecated public AmazonSimpleDBClient(AWSCredentialsProvider awsCredentialsProvider) { this(awsCredentialsProvider, configFactory.getConfig()); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified AWS account credentials * provider and client configuration options. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials to authenticate requests with AWS services. * @param clientConfiguration * The client configuration options controlling how this client connects to Amazon SimpleDB (ex: proxy * settings, retry counts, etc.). * @deprecated use {@link AmazonSimpleDBClientBuilder#withCredentials(AWSCredentialsProvider)} and * {@link AmazonSimpleDBClientBuilder#withClientConfiguration(ClientConfiguration)} */ @Deprecated public AmazonSimpleDBClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration) { this(awsCredentialsProvider, clientConfiguration, null); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified AWS account credentials * provider, client configuration options, and request metric collector. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param awsCredentialsProvider * The AWS credentials provider which will provide credentials to authenticate requests with AWS services. * @param clientConfiguration * The client configuration options controlling how this client connects to Amazon SimpleDB (ex: proxy * settings, retry counts, etc.). * @param requestMetricCollector * optional request metric collector * @deprecated use {@link AmazonSimpleDBClientBuilder#withCredentials(AWSCredentialsProvider)} and * {@link AmazonSimpleDBClientBuilder#withClientConfiguration(ClientConfiguration)} and * {@link AmazonSimpleDBClientBuilder#withMetricsCollector(RequestMetricCollector)} */ @Deprecated public AmazonSimpleDBClient(AWSCredentialsProvider awsCredentialsProvider, ClientConfiguration clientConfiguration, RequestMetricCollector requestMetricCollector) { super(clientConfiguration, requestMetricCollector); this.awsCredentialsProvider = awsCredentialsProvider; this.advancedConfig = AdvancedConfig.EMPTY; init(); } public static AmazonSimpleDBClientBuilder builder() { return AmazonSimpleDBClientBuilder.standard(); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified parameters. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param clientParams * Object providing client parameters. */ AmazonSimpleDBClient(AwsSyncClientParams clientParams) { this(clientParams, false); } /** * Constructs a new client to invoke service methods on Amazon SimpleDB using the specified parameters. * * <p> * All service calls made using this new client object are blocking, and will not return until the service call * completes. * * @param clientParams * Object providing client parameters. */ AmazonSimpleDBClient(AwsSyncClientParams clientParams, boolean endpointDiscoveryEnabled) { super(clientParams); this.awsCredentialsProvider = clientParams.getCredentialsProvider(); this.advancedConfig = clientParams.getAdvancedConfig(); init(); } private void init() { exceptionUnmarshallers.add(new NumberItemAttributesExceededExceptionUnmarshaller()); exceptionUnmarshallers.add(new NumberSubmittedItemsExceededExceptionUnmarshaller()); exceptionUnmarshallers.add(new InvalidNumberPredicatesExceptionUnmarshaller()); exceptionUnmarshallers.add(new NumberDomainBytesExceededExceptionUnmarshaller()); exceptionUnmarshallers.add(new AttributeDoesNotExistExceptionUnmarshaller()); exceptionUnmarshallers.add(new NumberDomainsExceededExceptionUnmarshaller()); exceptionUnmarshallers.add(new NoSuchDomainExceptionUnmarshaller()); exceptionUnmarshallers.add(new RequestTimeoutExceptionUnmarshaller()); exceptionUnmarshallers.add(new InvalidParameterValueExceptionUnmarshaller()); exceptionUnmarshallers.add(new DuplicateItemNameExceptionUnmarshaller()); exceptionUnmarshallers.add(new TooManyRequestedAttributesExceptionUnmarshaller()); exceptionUnmarshallers.add(new NumberSubmittedAttributesExceededExceptionUnmarshaller()); exceptionUnmarshallers.add(new InvalidQueryExpressionExceptionUnmarshaller()); exceptionUnmarshallers.add(new NumberDomainAttributesExceededExceptionUnmarshaller()); exceptionUnmarshallers.add(new InvalidNumberValueTestsExceptionUnmarshaller()); exceptionUnmarshallers.add(new InvalidNextTokenExceptionUnmarshaller()); exceptionUnmarshallers.add(new MissingParameterExceptionUnmarshaller()); exceptionUnmarshallers.add( new LegacyErrorUnmarshaller(com.amazonaws.services.simpledb.model.AmazonSimpleDBException.class)); setServiceNameIntern(DEFAULT_SIGNING_NAME); setEndpointPrefix(ENDPOINT_PREFIX); // calling this.setEndPoint(...) will also modify the signer accordingly this.setEndpoint("sdb.amazonaws.com"); HandlerChainFactory chainFactory = new HandlerChainFactory(); requestHandler2s .addAll(chainFactory.newRequestHandlerChain("/com/amazonaws/services/simpledb/request.handlers")); requestHandler2s .addAll(chainFactory.newRequestHandler2Chain("/com/amazonaws/services/simpledb/request.handler2s")); requestHandler2s.addAll(chainFactory.getGlobalHandlers()); } /** * <p> * Performs multiple DeleteAttributes operations in a single call, which reduces round trips and latencies. This * enables Amazon SimpleDB to optimize requests, which generally yields better throughput. * </p> * <p> * The following limitations are enforced for this operation: * <ul> * <li>1 MB request size</li> * <li>25 item limit per BatchDeleteAttributes operation</li> * </ul> * </p> * * @param batchDeleteAttributesRequest * @return Result of the BatchDeleteAttributes operation returned by the service. * @sample AmazonSimpleDB.BatchDeleteAttributes */ @Override public BatchDeleteAttributesResult batchDeleteAttributes(BatchDeleteAttributesRequest request) { request = beforeClientExecution(request); return executeBatchDeleteAttributes(request); } @SdkInternalApi final BatchDeleteAttributesResult executeBatchDeleteAttributes( BatchDeleteAttributesRequest batchDeleteAttributesRequest) { ExecutionContext executionContext = createExecutionContext(batchDeleteAttributesRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<BatchDeleteAttributesRequest> request = null; Response<BatchDeleteAttributesResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new BatchDeleteAttributesRequestMarshaller() .marshall(super.beforeMarshalling(batchDeleteAttributesRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "BatchDeleteAttributes"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<BatchDeleteAttributesResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<BatchDeleteAttributesResult>( new BatchDeleteAttributesResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * The <code>BatchPutAttributes</code> operation creates or replaces attributes within one or more items. By using * this operation, the client can perform multiple <a>PutAttribute</a> operation with a single call. This helps * yield savings in round trips and latencies, enabling Amazon SimpleDB to optimize requests and generally produce * better throughput. * </p> * <p> * The client may specify the item name with the <code>Item.X.ItemName</code> parameter. The client may specify new * attributes using a combination of the <code>Item.X.Attribute.Y.Name</code> and * <code>Item.X.Attribute.Y.Value</code> parameters. The client may specify the first attribute for the first item * using the parameters <code>Item.0.Attribute.0.Name</code> and <code>Item.0.Attribute.0.Value</code>, and for the * second attribute for the first item by the parameters <code>Item.0.Attribute.1.Name</code> and * <code>Item.0.Attribute.1.Value</code>, and so on. * </p> * <p> * Attributes are uniquely identified within an item by their name/value combination. For example, a single item can * have the attributes <code>{ "first_name", "first_value" }</code> and * <code>{ "first_name", "second_value" }</code>. However, it cannot have two attribute instances where both the * <code>Item.X.Attribute.Y.Name</code> and <code>Item.X.Attribute.Y.Value</code> are the same. * </p> * <p> * Optionally, the requester can supply the <code>Replace</code> parameter for each individual value. Setting this * value to <code>true</code> will cause the new attribute values to replace the existing attribute values. For * example, if an item <code>I</code> has the attributes <code>{ 'a', '1' }, { 'b', '2'}</code> and * <code>{ 'b', '3' }</code> and the requester does a BatchPutAttributes of <code>{'I', 'b', '4' }</code> with the * Replace parameter set to true, the final attributes of the item will be <code>{ 'a', '1' }</code> and * <code>{ 'b', '4' }</code>, replacing the previous values of the 'b' attribute with the new value. * </p> * <important> This operation is vulnerable to exceeding the maximum URL size when making a REST request using the * HTTP GET method. This operation does not support conditions using <code>Expected.X.Name</code>, * <code>Expected.X.Value</code>, or <code>Expected.X.Exists</code>. </important> * <p> * You can execute multiple <code>BatchPutAttributes</code> operations and other operations in parallel. However, * large numbers of concurrent <code>BatchPutAttributes</code> calls can result in Service Unavailable (503) * responses. * </p> * <p> * The following limitations are enforced for this operation: * <ul> * <li>256 attribute name-value pairs per item</li> * <li>1 MB request size</li> * <li>1 billion attributes per domain</li> * <li>10 GB of total user data storage per domain</li> * <li>25 item limit per <code>BatchPutAttributes</code> operation</li> * </ul> * </p> * * @param batchPutAttributesRequest * @return Result of the BatchPutAttributes operation returned by the service. * @throws DuplicateItemNameException * The item name was specified more than once. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NoSuchDomainException * The specified domain does not exist. * @throws NumberItemAttributesExceededException * Too many attributes in this item. * @throws NumberDomainAttributesExceededException * Too many attributes in this domain. * @throws NumberDomainBytesExceededException * Too many bytes in this domain. * @throws NumberSubmittedItemsExceededException * Too many items exist in a single call. * @throws NumberSubmittedAttributesExceededException * Too many attributes exist in a single call. * @sample AmazonSimpleDB.BatchPutAttributes */ @Override public BatchPutAttributesResult batchPutAttributes(BatchPutAttributesRequest request) { request = beforeClientExecution(request); return executeBatchPutAttributes(request); } @SdkInternalApi final BatchPutAttributesResult executeBatchPutAttributes(BatchPutAttributesRequest batchPutAttributesRequest) { ExecutionContext executionContext = createExecutionContext(batchPutAttributesRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<BatchPutAttributesRequest> request = null; Response<BatchPutAttributesResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new BatchPutAttributesRequestMarshaller() .marshall(super.beforeMarshalling(batchPutAttributesRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "BatchPutAttributes"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<BatchPutAttributesResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<BatchPutAttributesResult>( new BatchPutAttributesResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * The <code>CreateDomain</code> operation creates a new domain. The domain name should be unique among the domains * associated with the Access Key ID provided in the request. The <code>CreateDomain</code> operation may take 10 or * more seconds to complete. * </p> * <p> * The client can create up to 100 domains per account. * </p> * <p> * If the client requires additional domains, go to <a * href="http://aws.amazon.com/contact-us/simpledb-limit-request/"> * http://aws.amazon.com/contact-us/simpledb-limit-request/</a>. * </p> * * @param createDomainRequest * @return Result of the CreateDomain operation returned by the service. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NumberDomainsExceededException * Too many domains exist per this account. * @sample AmazonSimpleDB.CreateDomain */ @Override public CreateDomainResult createDomain(CreateDomainRequest request) { request = beforeClientExecution(request); return executeCreateDomain(request); } @SdkInternalApi final CreateDomainResult executeCreateDomain(CreateDomainRequest createDomainRequest) { ExecutionContext executionContext = createExecutionContext(createDomainRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<CreateDomainRequest> request = null; Response<CreateDomainResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new CreateDomainRequestMarshaller() .marshall(super.beforeMarshalling(createDomainRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "CreateDomain"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<CreateDomainResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<CreateDomainResult>( new CreateDomainResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * Deletes one or more attributes associated with an item. If all attributes of the item are deleted, the item is * deleted. * </p> * <p> * <code>DeleteAttributes</code> is an idempotent operation; running it multiple times on the same item or attribute * does not result in an error response. * </p> * <p> * Because Amazon SimpleDB makes multiple copies of item data and uses an eventual consistency update model, * performing a <a>GetAttributes</a> or <a>Select</a> operation (read) immediately after a * <code>DeleteAttributes</code> or <a>PutAttributes</a> operation (write) might not return updated item data. * </p> * * @param deleteAttributesRequest * @return Result of the DeleteAttributes operation returned by the service. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NoSuchDomainException * The specified domain does not exist. * @throws AttributeDoesNotExistException * The specified attribute does not exist. * @sample AmazonSimpleDB.DeleteAttributes */ @Override public DeleteAttributesResult deleteAttributes(DeleteAttributesRequest request) { request = beforeClientExecution(request); return executeDeleteAttributes(request); } @SdkInternalApi final DeleteAttributesResult executeDeleteAttributes(DeleteAttributesRequest deleteAttributesRequest) { ExecutionContext executionContext = createExecutionContext(deleteAttributesRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<DeleteAttributesRequest> request = null; Response<DeleteAttributesResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new DeleteAttributesRequestMarshaller() .marshall(super.beforeMarshalling(deleteAttributesRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "DeleteAttributes"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<DeleteAttributesResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<DeleteAttributesResult>( new DeleteAttributesResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * The <code>DeleteDomain</code> operation deletes a domain. Any items (and their attributes) in the domain are * deleted as well. The <code>DeleteDomain</code> operation might take 10 or more seconds to complete. * </p> * * @param deleteDomainRequest * @return Result of the DeleteDomain operation returned by the service. * @throws MissingParameterException * The request must contain the specified missing parameter. * @sample AmazonSimpleDB.DeleteDomain */ @Override public DeleteDomainResult deleteDomain(DeleteDomainRequest request) { request = beforeClientExecution(request); return executeDeleteDomain(request); } @SdkInternalApi final DeleteDomainResult executeDeleteDomain(DeleteDomainRequest deleteDomainRequest) { ExecutionContext executionContext = createExecutionContext(deleteDomainRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<DeleteDomainRequest> request = null; Response<DeleteDomainResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new DeleteDomainRequestMarshaller() .marshall(super.beforeMarshalling(deleteDomainRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "DeleteDomain"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<DeleteDomainResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<DeleteDomainResult>( new DeleteDomainResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * Returns information about the domain, including when the domain was created, the number of items and attributes * in the domain, and the size of the attribute names and values. * </p> * * @param domainMetadataRequest * @return Result of the DomainMetadata operation returned by the service. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NoSuchDomainException * The specified domain does not exist. * @sample AmazonSimpleDB.DomainMetadata */ @Override public DomainMetadataResult domainMetadata(DomainMetadataRequest request) { request = beforeClientExecution(request); return executeDomainMetadata(request); } @SdkInternalApi final DomainMetadataResult executeDomainMetadata(DomainMetadataRequest domainMetadataRequest) { ExecutionContext executionContext = createExecutionContext(domainMetadataRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<DomainMetadataRequest> request = null; Response<DomainMetadataResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new DomainMetadataRequestMarshaller() .marshall(super.beforeMarshalling(domainMetadataRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "DomainMetadata"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<DomainMetadataResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<DomainMetadataResult>( new DomainMetadataResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * Returns all of the attributes associated with the specified item. Optionally, the attributes returned can be * limited to one or more attributes by specifying an attribute name parameter. * </p> * <p> * If the item does not exist on the replica that was accessed for this operation, an empty set is returned. The * system does not return an error as it cannot guarantee the item does not exist on other replicas. * </p> * * @param getAttributesRequest * @return Result of the GetAttributes operation returned by the service. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NoSuchDomainException * The specified domain does not exist. * @sample AmazonSimpleDB.GetAttributes */ @Override public GetAttributesResult getAttributes(GetAttributesRequest request) { request = beforeClientExecution(request); return executeGetAttributes(request); } @SdkInternalApi final GetAttributesResult executeGetAttributes(GetAttributesRequest getAttributesRequest) { ExecutionContext executionContext = createExecutionContext(getAttributesRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<GetAttributesRequest> request = null; Response<GetAttributesResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new GetAttributesRequestMarshaller() .marshall(super.beforeMarshalling(getAttributesRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "GetAttributes"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<GetAttributesResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<GetAttributesResult>( new GetAttributesResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * The <code>ListDomains</code> operation lists all domains associated with the Access Key ID. It returns domain * names up to the limit set by <a href="#MaxNumberOfDomains">MaxNumberOfDomains</a>. A <a * href="#NextToken">NextToken</a> is returned if there are more than <code>MaxNumberOfDomains</code> domains. * Calling <code>ListDomains</code> successive times with the <code>NextToken</code> provided by the operation * returns up to <code>MaxNumberOfDomains</code> more domain names with each successive operation call. * </p> * * @param listDomainsRequest * @return Result of the ListDomains operation returned by the service. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws InvalidNextTokenException * The specified NextToken is not valid. * @sample AmazonSimpleDB.ListDomains */ @Override public ListDomainsResult listDomains(ListDomainsRequest request) { request = beforeClientExecution(request); return executeListDomains(request); } @SdkInternalApi final ListDomainsResult executeListDomains(ListDomainsRequest listDomainsRequest) { ExecutionContext executionContext = createExecutionContext(listDomainsRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<ListDomainsRequest> request = null; Response<ListDomainsResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new ListDomainsRequestMarshaller().marshall(super.beforeMarshalling(listDomainsRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "ListDomains"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<ListDomainsResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<ListDomainsResult>( new ListDomainsResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } @Override public ListDomainsResult listDomains() { return listDomains(new ListDomainsRequest()); } /** * <p> * The PutAttributes operation creates or replaces attributes in an item. The client may specify new attributes * using a combination of the <code>Attribute.X.Name</code> and <code>Attribute.X.Value</code> parameters. The * client specifies the first attribute by the parameters <code>Attribute.0.Name</code> and * <code>Attribute.0.Value</code>, the second attribute by the parameters <code>Attribute.1.Name</code> and * <code>Attribute.1.Value</code>, and so on. * </p> * <p> * Attributes are uniquely identified in an item by their name/value combination. For example, a single item can * have the attributes <code>{ "first_name", "first_value" }</code> and <code>{ "first_name", second_value" }</code> * . However, it cannot have two attribute instances where both the <code>Attribute.X.Name</code> and * <code>Attribute.X.Value</code> are the same. * </p> * <p> * Optionally, the requestor can supply the <code>Replace</code> parameter for each individual attribute. Setting * this value to <code>true</code> causes the new attribute value to replace the existing attribute value(s). For * example, if an item has the attributes <code>{ 'a', '1' }</code>, <code>{ 'b', '2'}</code> and * <code>{ 'b', '3' }</code> and the requestor calls <code>PutAttributes</code> using the attributes * <code>{ 'b', '4' }</code> with the <code>Replace</code> parameter set to true, the final attributes of the item * are changed to <code>{ 'a', '1' }</code> and <code>{ 'b', '4' }</code>, which replaces the previous values of the * 'b' attribute with the new value. * </p> * <p> * You cannot specify an empty string as an attribute name. * </p> * <p> * Because Amazon SimpleDB makes multiple copies of client data and uses an eventual consistency update model, an * immediate <a>GetAttributes</a> or <a>Select</a> operation (read) immediately after a <a>PutAttributes</a> or * <a>DeleteAttributes</a> operation (write) might not return the updated data. * </p> * <p> * The following limitations are enforced for this operation: * <ul> * <li>256 total attribute name-value pairs per item</li> * <li>One billion attributes per domain</li> * <li>10 GB of total user data storage per domain</li> * </ul> * </p> * * @param putAttributesRequest * @return Result of the PutAttributes operation returned by the service. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NoSuchDomainException * The specified domain does not exist. * @throws NumberDomainAttributesExceededException * Too many attributes in this domain. * @throws NumberDomainBytesExceededException * Too many bytes in this domain. * @throws NumberItemAttributesExceededException * Too many attributes in this item. * @throws AttributeDoesNotExistException * The specified attribute does not exist. * @sample AmazonSimpleDB.PutAttributes */ @Override public PutAttributesResult putAttributes(PutAttributesRequest request) { request = beforeClientExecution(request); return executePutAttributes(request); } @SdkInternalApi final PutAttributesResult executePutAttributes(PutAttributesRequest putAttributesRequest) { ExecutionContext executionContext = createExecutionContext(putAttributesRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<PutAttributesRequest> request = null; Response<PutAttributesResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new PutAttributesRequestMarshaller() .marshall(super.beforeMarshalling(putAttributesRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "PutAttributes"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<PutAttributesResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<PutAttributesResult>( new PutAttributesResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * <p> * The <code>Select</code> operation returns a set of attributes for <code>ItemNames</code> that match the select * expression. <code>Select</code> is similar to the standard SQL SELECT statement. * </p> * <p> * The total size of the response cannot exceed 1 MB in total size. Amazon SimpleDB automatically adjusts the number * of items returned per page to enforce this limit. For example, if the client asks to retrieve 2500 items, but * each individual item is 10 kB in size, the system returns 100 items and an appropriate <code>NextToken</code> so * the client can access the next page of results. * </p> * <p> * For information on how to construct select expressions, see Using Select to Create Amazon SimpleDB Queries in the * Developer Guide. * </p> * * @param selectRequest * @return Result of the Select operation returned by the service. * @throws InvalidParameterValueException * The value for a parameter is invalid. * @throws InvalidNextTokenException * The specified NextToken is not valid. * @throws InvalidNumberPredicatesException * Too many predicates exist in the query expression. * @throws InvalidNumberValueTestsException * Too many predicates exist in the query expression. * @throws InvalidQueryExpressionException * The specified query expression syntax is not valid. * @throws MissingParameterException * The request must contain the specified missing parameter. * @throws NoSuchDomainException * The specified domain does not exist. * @throws RequestTimeoutException * A timeout occurred when attempting to query the specified domain with specified query expression. * @throws TooManyRequestedAttributesException * Too many attributes requested. * @sample AmazonSimpleDB.Select */ @Override public SelectResult select(SelectRequest request) { request = beforeClientExecution(request); return executeSelect(request); } @SdkInternalApi final SelectResult executeSelect(SelectRequest selectRequest) { ExecutionContext executionContext = createExecutionContext(selectRequest); AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics(); awsRequestMetrics.startEvent(Field.ClientExecuteTime); Request<SelectRequest> request = null; Response<SelectResult> response = null; try { awsRequestMetrics.startEvent(Field.RequestMarshallTime); try { request = new SelectRequestMarshaller().marshall(super.beforeMarshalling(selectRequest)); // Binds the request metrics to the current request. request.setAWSRequestMetrics(awsRequestMetrics); request.addHandlerContext(HandlerContextKey.SIGNING_REGION, getSigningRegion()); request.addHandlerContext(HandlerContextKey.SERVICE_ID, "SimpleDB"); request.addHandlerContext(HandlerContextKey.OPERATION_NAME, "Select"); request.addHandlerContext(HandlerContextKey.ADVANCED_CONFIG, advancedConfig); } finally { awsRequestMetrics.endEvent(Field.RequestMarshallTime); } StaxResponseHandler<SelectResult> responseHandler = new com.amazonaws.services.simpledb.internal.SimpleDBStaxResponseHandler<SelectResult>( new SelectResultStaxUnmarshaller()); response = invoke(request, responseHandler, executionContext); return response.getAwsResponse(); } finally { endClientExecution(awsRequestMetrics, request, response); } } /** * Returns additional metadata for a previously executed successful, request, typically used for debugging issues * where a service isn't acting as expected. This data isn't considered part of the result data returned by an * operation, so it's available through this separate, diagnostic interface. * <p> * Response metadata is only cached for a limited period of time, so if you need to access this extra diagnostic * information for an executed request, you should use this method to retrieve it as soon as possible after * executing the request. * * @param request * The originally executed request * * @return The response metadata for the specified request, or null if none is available. */ public com.amazonaws.services.simpledb.SimpleDBResponseMetadata getCachedResponseMetadata( AmazonWebServiceRequest request) { ResponseMetadata metadata = client.getResponseMetadataForRequest(request); if (metadata != null) return new com.amazonaws.services.simpledb.SimpleDBResponseMetadata(metadata); else return null; } /** * Normal invoke with authentication. Credentials are required and may be overriden at the request level. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext) { return invoke(request, responseHandler, executionContext, null, null); } /** * Normal invoke with authentication. Credentials are required and may be overriden at the request level. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext, URI cachedEndpoint, URI uriFromEndpointTrait) { executionContext.setCredentialsProvider( CredentialUtils.getCredentialsProvider(request.getOriginalRequest(), awsCredentialsProvider)); return doInvoke(request, responseHandler, executionContext, cachedEndpoint, uriFromEndpointTrait); } /** * Invoke with no authentication. Credentials are not required and any credentials set on the client or request will * be ignored for this operation. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> anonymousInvoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext) { return doInvoke(request, responseHandler, executionContext, null, null); } /** * Invoke the request using the http client. Assumes credentials (or lack thereof) have been configured in the * ExecutionContext beforehand. **/ private <X, Y extends AmazonWebServiceRequest> Response<X> doInvoke(Request<Y> request, HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler, ExecutionContext executionContext, URI discoveredEndpoint, URI uriFromEndpointTrait) { if (discoveredEndpoint != null) { request.setEndpoint(discoveredEndpoint); request.getOriginalRequest().getRequestClientOptions().appendUserAgent("endpoint-discovery"); } else if (uriFromEndpointTrait != null) { request.setEndpoint(uriFromEndpointTrait); } else { request.setEndpoint(endpoint); } request.setTimeOffset(timeOffset); DefaultErrorResponseHandler errorResponseHandler = new DefaultErrorResponseHandler(exceptionUnmarshallers); return client.execute(request, responseHandler, errorResponseHandler, executionContext); } }