Examples with LocalSecondaryIndexDescription com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndexDescription used on opensource projects

Example 1 with LocalSecondaryIndexDescription

use of com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndexDescription in project aws-sdk-android by aws-amplify.

the class Search method isKeyAttribute.

private static boolean isKeyAttribute(Table table, String indexName, String attributeName) {
    GlobalSecondaryIndexDescription gsi = null;
    final LocalSecondaryIndexDescription lsi;
    if (StringUtils.isBlank(indexName)) {
        return table.getKeys().containsKey(attributeName);
    } else if (table.getGlobalSecondaryIndexes().get(indexName) != null) {
        gsi = table.getGlobalSecondaryIndexes().get(indexName);
        for (final KeySchemaElement element : gsi.getKeySchema()) {
            return isKeyAttribute(element, attributeName);
        }
    } else if (table.getLocalSecondaryIndexes().get(indexName) != null) {
        lsi = table.getLocalSecondaryIndexes().get(indexName);
        for (final KeySchemaElement element : lsi.getKeySchema()) {
            return isKeyAttribute(element, attributeName);
        }
    } else {
        throw new IllegalStateException(String.format("Unable to locate index %s on table %s", indexName, table.getTableName()));
    }
    return false;
}

Example 2 with LocalSecondaryIndexDescription

use of com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndexDescription in project aws-sdk-android by aws-amplify.

the class Table method loadTableDescription.

/**
 * Load table description.
 */
public void loadTableDescription() {
    clear();
    final DescribeTableRequest request = Table.appendDynamoDBDocumentUserAgentString(new DescribeTableRequest(this.tableName));
    final DescribeTableResult result = client.describeTable(request);
    this.tableDescription = result.getTable();
    for (final KeySchemaElement element : this.tableDescription.getKeySchema()) {
        final String keyName = element.getAttributeName();
        for (final AttributeDefinition ad : this.tableDescription.getAttributeDefinitions()) {
            if (ad.getAttributeName().equals(keyName)) {
                final KeyDescription kd = new KeyDescription();
                kd.setHash("HASH".equalsIgnoreCase(element.getKeyType()));
                kd.setType(getType(ad.getAttributeType()));
                if (kd.isHash()) {
                    this.hashKeys.add(keyName);
                } else {
                    this.rangeKeys.add(keyName);
                }
                this.keys.put(keyName, kd);
                break;
            }
        }
    }
    if (this.tableDescription.getLocalSecondaryIndexes() != null) {
        for (final LocalSecondaryIndexDescription index : this.tableDescription.getLocalSecondaryIndexes()) {
            this.localSecondaryIndexes.put(index.getIndexName(), index);
            this.localSecondaryIndexNames.add(index.getIndexName());
        }
    }
    if (this.tableDescription.getGlobalSecondaryIndexes() != null) {
        for (final GlobalSecondaryIndexDescription index : this.tableDescription.getGlobalSecondaryIndexes()) {
            this.globalSecondaryIndexes.put(index.getIndexName(), index);
            this.globalSecondaryIndexNames.add(index.getIndexName());
        }
    }
    for (final AttributeDefinition ad : this.tableDescription.getAttributeDefinitions()) {
        this.attributes.add(ad);
    }
}

Example 3 with LocalSecondaryIndexDescription

use of com.amazonaws.services.dynamodbv2.model.LocalSecondaryIndexDescription in project aws-athena-query-federation by awslabs.

the class DDBTableUtils method getTable.

/**
 * Fetches metadata for a DynamoDB table
 *
 * @param tableName the (case sensitive) table name
 * @param invoker the ThrottlingInvoker to call DDB with
 * @param ddbClient the DDB client to use
 * @return the table metadata
 */
public static DynamoDBTable getTable(String tableName, ThrottlingInvoker invoker, AmazonDynamoDB ddbClient) throws TimeoutException {
    DescribeTableRequest request = new DescribeTableRequest().withTableName(tableName);
    TableDescription table = invoker.invoke(() -> ddbClient.describeTable(request).getTable());
    KeyNames keys = getKeys(table.getKeySchema());
    // get data statistics
    long approxTableSizeInBytes = table.getTableSizeBytes();
    long approxItemCount = table.getItemCount();
    final long provisionedReadCapacity = table.getProvisionedThroughput() != null ? table.getProvisionedThroughput().getReadCapacityUnits() : PSUEDO_CAPACITY_FOR_ON_DEMAND;
    // get secondary indexes
    List<LocalSecondaryIndexDescription> localSecondaryIndexes = table.getLocalSecondaryIndexes() != null ? table.getLocalSecondaryIndexes() : ImmutableList.of();
    List<GlobalSecondaryIndexDescription> globalSecondaryIndexes = table.getGlobalSecondaryIndexes() != null ? table.getGlobalSecondaryIndexes() : ImmutableList.of();
    ImmutableList.Builder<DynamoDBIndex> indices = ImmutableList.builder();
    localSecondaryIndexes.forEach(i -> {
        KeyNames indexKeys = getKeys(i.getKeySchema());
        // DynamoDB automatically fetches all attributes from the table for local secondary index, so ignore projected attributes
        indices.add(new DynamoDBIndex(i.getIndexName(), indexKeys.getHashKey(), indexKeys.getRangeKey(), ProjectionType.ALL, ImmutableList.of()));
    });
    globalSecondaryIndexes.stream().filter(i -> IndexStatus.fromValue(i.getIndexStatus()).equals(IndexStatus.ACTIVE)).forEach(i -> {
        KeyNames indexKeys = getKeys(i.getKeySchema());
        indices.add(new DynamoDBIndex(i.getIndexName(), indexKeys.getHashKey(), indexKeys.getRangeKey(), ProjectionType.fromValue(i.getProjection().getProjectionType()), i.getProjection().getNonKeyAttributes() == null ? ImmutableList.of() : i.getProjection().getNonKeyAttributes()));
    });
    return new DynamoDBTable(tableName, keys.getHashKey(), keys.getRangeKey(), table.getAttributeDefinitions(), indices.build(), approxTableSizeInBytes, approxItemCount, provisionedReadCapacity);
}