com.amazonaws.services.dynamodbv2.document.internal.PutItemImpl 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.internal;

import java.util.Map;

import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.document.Expected;
import com.amazonaws.services.dynamodbv2.document.Item;
import com.amazonaws.services.dynamodbv2.document.PutItemOutcome;
import com.amazonaws.services.dynamodbv2.document.Table;
import com.amazonaws.services.dynamodbv2.document.api.PutItemApi;
import com.amazonaws.services.dynamodbv2.document.spec.PutItemSpec;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;
import com.amazonaws.services.dynamodbv2.model.ExpectedAttributeValue;
import com.amazonaws.services.dynamodbv2.model.PutItemRequest;
import com.amazonaws.services.dynamodbv2.model.PutItemResult;

/**
 * The implementation for PutItemApi.
 */
public class PutItemImpl extends AbstractImpl implements PutItemApi {
    public PutItemImpl(AmazonDynamoDB client, Table table) {
        super(client, table);
    }

    @Override
    public PutItemOutcome putItem(Item item) {
        return doPutItem(new PutItemSpec().withItem(item));
    }

    @Override
    public PutItemOutcome putItem(Item item, Expected ... expected) {
        return doPutItem(new PutItemSpec()
                .withItem(item)
                .withExpected(expected));
    }

    @Override
    public PutItemOutcome putItem(Item item, String conditionExpression,
            Map nameMap, Map valueMap) {
        return doPutItem(new PutItemSpec()
                .withItem(item)
                .withConditionExpression(conditionExpression)
                .withNameMap(nameMap)
                .withValueMap(valueMap));
    }

    @Override
    public PutItemOutcome putItem(PutItemSpec spec) {
        return doPutItem(spec);
    }

    private PutItemOutcome doPutItem(PutItemSpec spec) {
        // set the table name
        String tableName = getTable().getTableName();
        PutItemRequest req = spec.getRequest().withTableName(tableName);
        // set up the item
        Item item = spec.getItem();
        final Map attributes = InternalUtils.toAttributeValues(item);
        // set up the expected attribute map, if any
        final Map expectedMap =
            InternalUtils.toExpectedAttributeValueMap(spec.getExpected());
        // set up the value map, if any (when expression API is used)
        final Map attrValMap =
            InternalUtils.fromSimpleMap(spec.getValueMap());
        // set up the request
        req.withItem(attributes)
            .withExpected(expectedMap)
            .withExpressionAttributeNames(spec.getNameMap())
            .withExpressionAttributeValues(attrValMap)
            ;
        PutItemResult result = getClient().putItem(req);
        return new PutItemOutcome(result);
    }
}