com.amazonaws.services.dynamodbv2.document.spec.BatchGetItemSpec Maven / Gradle / Ivy

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The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2014-2016 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.document.spec;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;

import com.amazonaws.event.ProgressListener;
import com.amazonaws.metrics.RequestMetricCollector;
import com.amazonaws.services.dynamodbv2.document.TableKeysAndAttributes;
import com.amazonaws.services.dynamodbv2.model.BatchGetItemRequest;
import com.amazonaws.services.dynamodbv2.model.KeysAndAttributes;
import com.amazonaws.services.dynamodbv2.model.ReturnConsumedCapacity;

/**
 * Full parameter specification for the BatchGetItem API.
 */
public class BatchGetItemSpec extends AbstractSpec {
    private Collection tableKeyAndAttributes;
    private Map unprocessedKeys;

    public BatchGetItemSpec() {
        super(new BatchGetItemRequest());
    }

    public Collection getTableKeysAndAttributes() {
        return tableKeyAndAttributes;
    }

    public BatchGetItemSpec withTableKeyAndAttributes(
            TableKeysAndAttributes ... tableKeyAndAttributes) {
        if (tableKeyAndAttributes == null)
            this.tableKeyAndAttributes = null;
        else {
            Set names = new LinkedHashSet();
            for (TableKeysAndAttributes e: tableKeyAndAttributes)
                names.add(e.getTableName());
            if (names.size() != tableKeyAndAttributes.length) {
                throw new IllegalArgumentException(
                    "table names must not duplicate in the list of TableKeysAndAttributes");
            }
            this.tableKeyAndAttributes = Arrays.asList(tableKeyAndAttributes);
        }
        return this;
    }


    public String getReturnConsumedCapacity() {
        return getRequest().getReturnConsumedCapacity();
    }


    public BatchGetItemSpec withReturnConsumedCapacity(ReturnConsumedCapacity capacity) {
        getRequest().withReturnConsumedCapacity(capacity);
        return this;
    }

    @Override
    public BatchGetItemSpec withProgressListener(ProgressListener progressListener) {
        setProgressListener(progressListener);
        return this;
    }

    @Override
    public BatchGetItemSpec withRequestMetricCollector(
            RequestMetricCollector requestMetricCollector) {
        setRequestMetricCollector(requestMetricCollector);
        return this;
    }

    public Map getUnprocessedKeys() {
        return unprocessedKeys;
    }

    public BatchGetItemSpec withUnprocessedKeys(
            Map unprocessedKeys) {
        this.unprocessedKeys = Collections.unmodifiableMap(
                new LinkedHashMap(unprocessedKeys));
        return this;
    }
}