Example usage for com.amazonaws.services.dynamodbv2.document.spec UpdateTableSpec withGlobalSecondaryIndexUpdates

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.document.spec UpdateTableSpec withGlobalSecondaryIndexUpdates.

Prototype

public UpdateTableSpec withGlobalSecondaryIndexUpdates(
            Collection<GlobalSecondaryIndexUpdate> globalSecondaryIndexUpdates) 

Source Link

Usage

From source file:jp.classmethod.aws.dynamodb.DynamoDbRepository.java

License:Open Source License

private TableDescription updateTable(TableDescription desc) {
    Preconditions.checkNotNull(desc, "table description must not be null");
    UpdateTableSpec spec = null;
    if (false == ptMap.get(tableNameSuffix).equals(convert(desc.getProvisionedThroughput()))) {
        //if the throughput of the table is not the same as the throughput in the ptMap configuration,
        //update the thruput of the table
        spec = new UpdateTableSpec().withProvisionedThroughput(ptMap.get(tableNameSuffix));
    }//ww  w.  jav a2 s  .c o  m
    final List<GlobalSecondaryIndexUpdate> gsiUpdates = new ArrayList<>();
    if (desc.getGlobalSecondaryIndexes() != null && false == desc.getGlobalSecondaryIndexes().isEmpty()) {
        //if the table description has updates to secondary indexes
        desc.getGlobalSecondaryIndexes().forEach(gsi -> {
            //for each gsi in the table description
            final String indexName = gsi.getIndexName();
            ProvisionedThroughput pt = ptMap.get(indexName);
            if (pt != null && false == pt.equals(convert(gsi.getProvisionedThroughput()))) {
                //if the throughput of the gsi in the description is not the same as the throughput in the pt map
                //add an update to the gsi's thruput
                gsiUpdates
                        .add(new GlobalSecondaryIndexUpdate().withUpdate(new UpdateGlobalSecondaryIndexAction()
                                .withIndexName(indexName).withProvisionedThroughput(pt)));
            }
        });
    }
    if (false == gsiUpdates.isEmpty()) {
        if (spec == null) {
            spec = new UpdateTableSpec();
        }
        spec.withGlobalSecondaryIndexUpdates(gsiUpdates);
    }
    return spec == null ? null : table.updateTable(spec);
}

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