com.amazonaws.services.dynamodbv2.document.internal.UpdateItemImpl 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.Collection;
import java.util.Map;

import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.document.AttributeUpdate;
import com.amazonaws.services.dynamodbv2.document.Expected;
import com.amazonaws.services.dynamodbv2.document.PrimaryKey;
import com.amazonaws.services.dynamodbv2.document.Table;
import com.amazonaws.services.dynamodbv2.document.UpdateItemOutcome;
import com.amazonaws.services.dynamodbv2.document.api.UpdateItemApi;
import com.amazonaws.services.dynamodbv2.document.spec.UpdateItemSpec;
import com.amazonaws.services.dynamodbv2.model.ExpectedAttributeValue;
import com.amazonaws.services.dynamodbv2.model.UpdateItemRequest;

/**
 * The implementation for UpdateItemApi.
 */
public class UpdateItemImpl implements UpdateItemApi {

    private final Table table;
    private final AmazonDynamoDB client;

    public UpdateItemImpl(AmazonDynamoDB client, Table table) {
        this.client = client;
        this.table = table;
    }

    @Override
    public UpdateItemOutcome updateItem(PrimaryKey primaryKey,
            AttributeUpdate... attributeUpdates) {
        return updateItem(new UpdateItemSpec()
                .withPrimaryKey(primaryKey)
                .withAttributeUpdate(attributeUpdates));
    }

    @Override
    public UpdateItemOutcome updateItem(PrimaryKey primaryKey,
            Collection expected, AttributeUpdate... attributeUpdates) {
        return updateItem(new UpdateItemSpec()
                .withPrimaryKey(primaryKey)
                .withExpected(expected)
                .withAttributeUpdate(attributeUpdates));
    }

    @Override
    public UpdateItemOutcome updateItem(PrimaryKey primaryKey,
            String updateExpression, Map nameMap,
            Map valueMap) {
        return updateItem(new UpdateItemSpec()
                .withPrimaryKey(primaryKey)
                .withUpdateExpression(updateExpression)
                .withNameMap(nameMap)
                .withValueMap(valueMap));
    }

    @Override
    public UpdateItemOutcome updateItem(PrimaryKey primaryKey,
            String updateExpression, String conditionExpression,
            Map nameMap, Map valueMap) {

        return updateItem(new UpdateItemSpec().withPrimaryKey(primaryKey)
                .withUpdateExpression(updateExpression)
                .withConditionExpression(conditionExpression)
                .withNameMap(nameMap)
                .withValueMap(valueMap));
    }

    @Override
    public UpdateItemOutcome updateItem(UpdateItemSpec spec) {
        return doUpdateItem(spec);
    }

    private UpdateItemOutcome doUpdateItem(UpdateItemSpec spec) {
        final UpdateItemRequest request = spec.getRequest();
        request.setKey(InternalUtils.toAttributeValueMap(spec.getKeyComponents()));
        request.setTableName(table.getTableName());
        final Collection expected = spec.getExpected();
        final Map expectedMap =
            InternalUtils.toExpectedAttributeValueMap(expected);
        request.setExpected(expectedMap);
        request.setAttributeUpdates(
            InternalUtils.toAttributeValueUpdate(spec.getAttributeUpdate()));
        request.setExpressionAttributeNames(spec.getNameMap());
        request.setExpressionAttributeValues(
            InternalUtils.fromSimpleMap(spec.getValueMap()));
        return new UpdateItemOutcome(client.updateItem(request));
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName,
            Object hashKeyValue, AttributeUpdate... attributeUpdates) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue),
                attributeUpdates);
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName,
            Object hashKeyValue, String rangeKeyName, Object rangeKeyValue,
            AttributeUpdate... attributeUpdates) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue,
                rangeKeyName, rangeKeyValue), attributeUpdates);
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName,
            Object hashKeyValue, Collection expected,
            AttributeUpdate... attributeUpdates) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue),
                expected,
                attributeUpdates);
    }

    @Override
    public UpdateItemOutcome updateItem(
            String hashKeyName, Object hashKeyValue,
            String rangeKeyName, Object rangeKeyValue,
            Collection expected,
            AttributeUpdate... attributeUpdates) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue,
                rangeKeyName, rangeKeyValue),
                expected,
                attributeUpdates);
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName,
            Object hashKeyValue, String updateExpression,
            Map nameMap, Map valueMap) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue),
                updateExpression, nameMap, valueMap);
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName, Object hashKeyValue,
            String rangeKeyName, Object rangeKeyValue,
            String updateExpression, Map nameMap,
            Map valueMap) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue,
                rangeKeyName, rangeKeyValue),
                updateExpression, nameMap, valueMap);
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName,
            Object hashKeyValue, String updateExpression,
            String conditionExpression, Map nameMap,
            Map valueMap) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue),
                updateExpression, conditionExpression, nameMap, valueMap);
    }

    @Override
    public UpdateItemOutcome updateItem(String hashKeyName, Object hashKeyValue,
            String rangeKeyName, Object rangeKeyValue,
            String updateExpression, String conditionExpression,
            Map nameMap, Map valueMap) {
        return updateItem(new PrimaryKey(hashKeyName, hashKeyValue,
                rangeKeyName, rangeKeyValue),
                updateExpression, conditionExpression, nameMap, valueMap);
    }
}