Example usage for com.amazonaws.services.dynamodbv2.model CreateTableRequest getKeySchema

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.model CreateTableRequest getKeySchema.

Prototype

public java.util.List<KeySchemaElement> getKeySchema() 

Source Link

Document

Specifies the attributes that make up the primary key for a table or an index.

Usage

From source file:awslabs.lab22.SolutionCode.java

License:Open Source License

@Override
public void buildTable(AmazonDynamoDBClient ddbClient, String tableName) {
    System.out.println("Creating table.");
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName);
    createTableRequest.setAttributeDefinitions(new ArrayList<AttributeDefinition>());
    // Define attributes
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Company").withAttributeType("S"));
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Email").withAttributeType("S"));
    // Define key schema
    createTableRequest.setKeySchema(new ArrayList<KeySchemaElement>());
    createTableRequest.getKeySchema()
            .add(new KeySchemaElement().withAttributeName("Company").withKeyType("HASH"));
    createTableRequest.getKeySchema()//  w  w w . j a  va  2 s  .c  o  m
            .add(new KeySchemaElement().withAttributeName("Email").withKeyType("RANGE"));
    // Define provisioned throughput
    createTableRequest.setProvisionedThroughput(
            new ProvisionedThroughput().withReadCapacityUnits(10L).withWriteCapacityUnits(5L));

    // Submit create request
    ddbClient.createTable(createTableRequest);
    // Pause until the table is active
    waitForStatus(ddbClient, tableName, "ACTIVE");
    System.out.println("Table created and active.");
}

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From source file:awslabs.lab51.SolutionCode.java

License:Open Source License

@Override
public void buildTable(AmazonDynamoDBClient ddbClient, String tableName) {
    CreateTableRequest createTableRequest = new CreateTableRequest().withTableName(tableName);
    createTableRequest.setAttributeDefinitions(new ArrayList<AttributeDefinition>());
    // Define attributes
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Key").withAttributeType("S"));
    createTableRequest.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName("Bucket").withAttributeType("S"));
    // Define key schema
    createTableRequest.setKeySchema(new ArrayList<KeySchemaElement>());
    createTableRequest.getKeySchema().add(new KeySchemaElement().withAttributeName("Key").withKeyType("HASH"));
    createTableRequest.getKeySchema()//from   ww w .j a v a2  s .com
            .add(new KeySchemaElement().withAttributeName("Bucket").withKeyType("RANGE"));
    // Define provisioned throughput
    createTableRequest.setProvisionedThroughput(
            new ProvisionedThroughput().withReadCapacityUnits(5L).withWriteCapacityUnits(5L));

    // Submit create request
    ddbClient.createTable(createTableRequest);
    // Pause until the table is active
    waitForStatus(ddbClient, tableName, "ACTIVE");
    labController.logMessageToPage("Table created and active.");
}

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From source file:com.makariev.dynamodb.data.tables.creators.ReplyCreator.java

License:Apache License

@Override
public CreateTableRequest getCreateTableRequest() {
    final String tableName = Reply.TABLE_NAME;
    final String hashKeyName = "Id";
    final ScalarAttributeType hashKeyType = ScalarAttributeType.S;
    final Long readCapacityUnits = 10L;
    final Long writeCapacityUnits = 10L;

    final String rangeKeyName = "ReplyDateTime";
    final ScalarAttributeType rangeKeyType = ScalarAttributeType.S;

    ////////////////
    final CreateTableRequest request = basicTable(tableName, readCapacityUnits, writeCapacityUnits, hashKeyName,
            hashKeyType);//from w w  w.j  a  va 2  s.  c  o  m
    ///////////////////////
    //defining range key 
    request.getKeySchema()
            .add(new KeySchemaElement().withAttributeName(rangeKeyName).withKeyType(KeyType.RANGE));
    //defining range key 
    request.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName(rangeKeyName).withAttributeType(rangeKeyType));
    //////////////////////

    //follows defininig of a local secondary index
    request.getAttributeDefinitions().add(
            new AttributeDefinition().withAttributeName("PostedBy").withAttributeType(ScalarAttributeType.S));

    final List<KeySchemaElement> iks = new ArrayList<>();
    iks.add(new KeySchemaElement().withAttributeName(hashKeyName).withKeyType(KeyType.HASH));
    iks.add(new KeySchemaElement().withAttributeName("PostedBy").withKeyType(KeyType.RANGE));

    final LocalSecondaryIndex localSecondaryIndex = new LocalSecondaryIndex().withIndexName("PostedByIndex")
            .withKeySchema(iks).withProjection(new Projection().withProjectionType(ProjectionType.KEYS_ONLY));

    final List<LocalSecondaryIndex> localSecondaryIndexes = new ArrayList<>();
    localSecondaryIndexes.add(localSecondaryIndex);

    request.setLocalSecondaryIndexes(localSecondaryIndexes);

    return request;
}

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From source file:com.makariev.dynamodb.data.tables.creators.ThreadCreator.java

License:Apache License

@Override
public CreateTableRequest getCreateTableRequest() {
    final String tableName = Thread.TABLE_NAME;
    final String hashKeyName = "ForumName";
    final ScalarAttributeType hashKeyType = ScalarAttributeType.S;
    final Long readCapacityUnits = 10L;
    final Long writeCapacityUnits = 10L;

    final String rangeKeyName = "Subject";
    final ScalarAttributeType rangeKeyType = ScalarAttributeType.S;

    ////////////////
    final CreateTableRequest request = basicTable(tableName, readCapacityUnits, writeCapacityUnits, hashKeyName,
            hashKeyType);//from  www.jav  a 2 s  .  co  m

    //defining range key 
    request.getKeySchema()
            .add(new KeySchemaElement().withAttributeName(rangeKeyName).withKeyType(KeyType.RANGE));
    //defining range key 
    request.getAttributeDefinitions()
            .add(new AttributeDefinition().withAttributeName(rangeKeyName).withAttributeType(rangeKeyType));

    return request;
}

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From source file:org.socialsignin.spring.data.dynamodb.repository.util.Entity2DynamoDBTableSynchronizer.java

License:Apache License

/**
 * @param entityInformation/*from w ww .j a v  a 2  s  .  c  o m*/
 *            The entity to check for it's table
 * @throws IllegalStateException
 *             is thrown if the existing table doesn't match the entity's
 *             annotation
 */
private DescribeTableResult performValidate(DynamoDBEntityInformation<T, ID> entityInformation)
        throws IllegalStateException {
    Class<T> domainType = entityInformation.getJavaType();

    CreateTableRequest expected = mapper.generateCreateTableRequest(domainType);
    DescribeTableResult result = amazonDynamoDB.describeTable(expected.getTableName());
    TableDescription actual = result.getTable();

    if (!expected.getKeySchema().equals(actual.getKeySchema())) {
        throw new IllegalStateException("KeySchema is not as expected. Expected: <" + expected.getKeySchema()
                + "> but found <" + actual.getKeySchema() + ">");
    }
    LOGGER.debug("KeySchema is valid");

    if (expected.getGlobalSecondaryIndexes() != null) {
        if (!Arrays.deepEquals(expected.getGlobalSecondaryIndexes().toArray(),
                actual.getGlobalSecondaryIndexes().toArray())) {
            throw new IllegalStateException("Global Secondary Indexes are not as expected. Expected: <"
                    + expected.getGlobalSecondaryIndexes() + "> but found <"
                    + actual.getGlobalSecondaryIndexes() + ">");
        }
    }
    LOGGER.debug("Global Secondary Indexes are valid");

    LOGGER.info("Validated table {} for entity{}", expected.getTableName(), domainType);
    return result;
}

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