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/* * 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.dynamodbv2; import javax.annotation.Generated; import com.amazonaws.ClientConfigurationFactory; import com.amazonaws.annotation.NotThreadSafe; import com.amazonaws.client.builder.AwsSyncClientBuilder; import com.amazonaws.client.AwsSyncClientParams; import com.amazonaws.endpointdiscovery.EndpointDiscoveryProviderChain; import com.amazonaws.endpointdiscovery.DefaultEndpointDiscoveryProviderChain; import com.amazonaws.internal.config.InternalConfig; /** * Fluent builder for {@link com.amazonaws.services.dynamodbv2.AmazonDynamoDB}. Use of the builder is preferred over * using constructors of the client class. **/ @NotThreadSafe @Generated("com.amazonaws:aws-java-sdk-code-generator") public final class AmazonDynamoDBClientBuilder extends AwsSyncClientBuilder<AmazonDynamoDBClientBuilder, AmazonDynamoDB> { private static final ClientConfigurationFactory CLIENT_CONFIG_FACTORY = new com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientConfigurationFactory(); private static final EndpointDiscoveryProviderChain DEFAULT_ENDPOINT_DISCOVERY_PROVIDER = new DefaultEndpointDiscoveryProviderChain(); private boolean endpointDiscoveryEnabled = false; private boolean endpointDiscoveryDisabled = false; /** * @return Create new instance of builder with all defaults set. */ public static AmazonDynamoDBClientBuilder standard() { return new AmazonDynamoDBClientBuilder(); } /** * @return Default client using the {@link com.amazonaws.auth.DefaultAWSCredentialsProviderChain} and * {@link com.amazonaws.regions.DefaultAwsRegionProviderChain} chain */ public static AmazonDynamoDB defaultClient() { return standard().build(); } private AmazonDynamoDBClientBuilder() { super(CLIENT_CONFIG_FACTORY); } public AmazonDynamoDBClientBuilder enableEndpointDiscovery() { this.endpointDiscoveryEnabled = true; return this; } public AmazonDynamoDBClientBuilder disableEndpointDiscovery() { this.endpointDiscoveryDisabled = true; return this; } private boolean endpointDiscoveryEnabled() { Boolean endpointDiscoveryChainSetting = DEFAULT_ENDPOINT_DISCOVERY_PROVIDER.endpointDiscoveryEnabled(); if (endpointDiscoveryDisabled) { return false; } if (endpointDiscoveryEnabled) { return true; } if (endpointDiscoveryChainSetting != null && endpointDiscoveryChainSetting == false) { return false; } if (endpointDiscoveryChainSetting != null && endpointDiscoveryChainSetting) { return true; } if (InternalConfig.Factory.getInternalConfig().endpointDiscoveryEnabled()) { return true; } return false; } /** * Construct a synchronous implementation of AmazonDynamoDB using the current builder configuration. * * @param params * Current builder configuration represented as a parameter object. * @return Fully configured implementation of AmazonDynamoDB. */ @Override protected AmazonDynamoDB build(AwsSyncClientParams params) { if (endpointDiscoveryEnabled() && getEndpoint() == null) { return new AmazonDynamoDBClient(params, true); } return new AmazonDynamoDBClient(params); } }