Example usage for com.amazonaws.services.dynamodbv2.datamodeling DynamoDBScanExpression DynamoDBScanExpression

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.datamodeling DynamoDBScanExpression DynamoDBScanExpression.

Prototype

DynamoDBScanExpression

Source Link

Usage

From source file:com.makariev.dynamodb.preferences.UserPreferenceObjectMapperService.java

License:Open Source License

@Override
public List<UserPreference> findAll() {
    final DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    //not quite correct; this thing is limmitted by dynamoDb ( there is no count ) 
    final PaginatedScanList result = mapper.scan(UserPreference.class, scanExpression);
    return result;
}

From source file:com.makariev.dynamodb.preferences.UserPreferenceObjectMapperService.java

License:Open Source License

@Override
public List<UserPreference> scanByFirstName(String searchForName) {

    final DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    scanExpression.addFilterCondition("firstName",
            new Condition().withComparisonOperator(ComparisonOperator.CONTAINS)
                    .withAttributeValueList(new AttributeValue().withS(searchForName)));

    final PaginatedScanList<UserPreference> scanList = mapper.scan(UserPreference.class, scanExpression);

    return scanList;
}

From source file:com.makariev.dynamodb.preferences.UserPreferenceObjectMapperService.java

License:Open Source License

@Override
public List<UserPreference> scanByLastName(String searchForName) {

    final DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    scanExpression.addFilterCondition("lastName",
            new Condition().withComparisonOperator(ComparisonOperator.CONTAINS)
                    .withAttributeValueList(new AttributeValue().withS(searchForName)));

    final PaginatedScanList<UserPreference> scanList = mapper.scan(UserPreference.class, scanExpression);

    return scanList;
}

From source file:com.rorrell.personrest.data.PersonDaoDynamo.java

private DynamoDBScanExpression getQuery(String conditionExpression, Pair... values) {
    Map<String, AttributeValue> eav = new HashMap<String, AttributeValue>();
    for (Pair p : values) {
        Fields key = Fields.findByValue(p.getKey().toString());
        switch (key) {
        case ID://w  w  w.  j a v  a2 s .c  o m
        case AGE:
            eav.put(p.getKey().toString(), new AttributeValue().withN(p.getValue().toString()));
            break;
        case FIRSTNAME:
        case LASTNAME:
        case GENDER:
            eav.put(p.getKey().toString(), new AttributeValue().withS(p.getValue().toString()));
            break;
        }
    }
    return new DynamoDBScanExpression().withFilterExpression(conditionExpression)
            .withExpressionAttributeValues(eav);
}

From source file:com.rorrell.personrest.data.PersonDaoDynamo.java

@Override
public List<Person> getAll() {
    List<Person> result = DB.scan(Person.class, new DynamoDBScanExpression());
    List<Person> people = new ArrayList<Person>(result);
    Collections.sort(people);// w  ww.j  av  a2  s . c o m
    return people;
}

From source file:com.tuprofe.api.persistance.implementation.DynamoAdminUserRepository.java

@Override
public AdminUser findByEmail(String email) {
    AdminUser adminUser = null;/*from w ww . ja v  a 2  s.  co  m*/
    AmazonDynamoDB dynamoDB = getDynamoDB();
    DynamoDBMapper mapper = new DynamoDBMapper(dynamoDB);

    Map<String, AttributeValue> eav = new HashMap<>();
    eav.put(":val1", new AttributeValue().withS(email));

    DynamoDBScanExpression scanExpression = new DynamoDBScanExpression().withFilterExpression("email = :val1")
            .withExpressionAttributeValues(eav);

    List<AdminUser> adminUsers = mapper.scan(AdminUser.class, scanExpression);

    if (adminUsers.size() > 0) {
        adminUser = adminUsers.get(0);
    }

    return adminUser;
}

From source file:com.tuprofe.api.persistance.implementation.DynamoInterviewRepository.java

@Override
public List<Interview> findAll(Long current) {
    AmazonDynamoDB dynamoDB = getDynamoDB();
    DynamoDBMapper mapper = new DynamoDBMapper(dynamoDB);

    Map<String, AttributeValue> eav = new HashMap<>();
    eav.put(":val1", new AttributeValue().withN(current.toString()));

    DynamoDBScanExpression scanExpression = new DynamoDBScanExpression()
            .withFilterExpression("startDateTime >= :val1").withExpressionAttributeValues(eav);

    List<Interview> interviews = mapper.scan(Interview.class, scanExpression);

    return interviews;
}

From source file:org.diksha.common.dyutils.DyDBUtils.java

License:Apache License

public static void listFunctions() {
    DynamoDBMapper mapper = getDynamoDBMapper();

    DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    List<SchedulerUDF> scanResults = mapper.scan(SchedulerUDF.class, scanExpression);

    for (int cnt = 0; cnt < scanResults.size(); cnt++) {

        System.out.println(//from ww w .  j av a2 s .com
                scanResults.get(cnt).getFunctionAlias() + " --> " + scanResults.get(cnt).getFunctionName());
    }

}

From source file:org.diksha.common.dyutils.DyDBUtils.java

License:Apache License

public static void listJobs() {
    DynamoDBMapper mapper = getDynamoDBMapper();

    DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    List<SchedulerUDJ> scanResults = mapper.scan(SchedulerUDJ.class, scanExpression);

    for (int cnt = 0; cnt < scanResults.size(); cnt++) {

        System.out.println(scanResults.get(cnt).getJobName() + " -->  ("
                + scanResults.get(cnt).getFunctionAlias() + " , " + scanResults.get(cnt).getFunctionContext()
                + " , " + scanResults.get(cnt).getCronExpression() + " , "
                + scanResults.get(cnt).getRepeatTimes() + " , " + scanResults.get(cnt).getStartTimeDate()
                + " , " + scanResults.get(cnt).getEndTimeDate() + " )");
    }/*from w w w .ja v  a  2  s.c om*/

}

From source file:org.socialsignin.spring.data.dynamodb.repository.query.DynamoDBEntityWithHashAndRangeKeyCriteria.java

License:Apache License

public DynamoDBScanExpression buildScanExpression() {

    if (sort != null) {
        throw new UnsupportedOperationException("Sort not supported for scan expressions");
    }// w ww .ja  v  a2  s.c om
    DynamoDBScanExpression scanExpression = new DynamoDBScanExpression();
    if (isHashKeySpecified()) {
        scanExpression.addFilterCondition(getHashKeyAttributeName(),
                createSingleValueCondition(getHashKeyPropertyName(), ComparisonOperator.EQ,
                        getHashKeyAttributeValue(), getHashKeyAttributeValue().getClass(), true));
    }
    if (isRangeKeySpecified()) {
        scanExpression.addFilterCondition(getRangeKeyAttributeName(),
                createSingleValueCondition(getRangeKeyPropertyName(), ComparisonOperator.EQ,
                        getRangeKeyAttributeValue(), getRangeKeyAttributeValue().getClass(), true));
    }
    for (Map.Entry<String, List<Condition>> conditionEntry : attributeConditions.entrySet()) {
        for (Condition condition : conditionEntry.getValue()) {
            scanExpression.addFilterCondition(conditionEntry.getKey(), condition);
        }
    }
    return scanExpression;
}