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The AWS Java SDK for Amazon Redshift module holds the client classes that are used for communicating with Amazon Redshift Service

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/*
 * Copyright 2010-2016 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.redshift;

import com.amazonaws.ClientConfigurationFactory;
import com.amazonaws.annotation.NotThreadSafe;
import com.amazonaws.client.builder.AwsSyncClientBuilder;
import com.amazonaws.client.AwsSyncClientParams;

/**
 * Fluent builder for {@link com.amazonaws.services.redshift.AmazonRedshift}.
 * Use of the builder is preferred over using constructors of the client class.
 **/
@NotThreadSafe
public final class AmazonRedshiftClientBuilder extends
        AwsSyncClientBuilder {

    private static final ClientConfigurationFactory CLIENT_CONFIG_FACTORY = new ClientConfigurationFactory();

    /**
     * @return Create new instance of builder with all defaults set.
     */
    public static AmazonRedshiftClientBuilder standard() {
        return new AmazonRedshiftClientBuilder();
    }

    /**
     * @return Default client using the
     *         {@link com.amazonaws.auth.DefaultAWSCredentialsProviderChain} and
     *         {@link com.amazonaws.regions.DefaultAwsRegionProviderChain} chain
     */
    public static AmazonRedshift defaultClient() {
        return standard().build();
    }

    private AmazonRedshiftClientBuilder() {
        super(CLIENT_CONFIG_FACTORY);
    }

    /**
     * Construct a synchronous implementation of AmazonRedshift using the
     * current builder configuration.
     *
     * @param params
     *        Current builder configuration represented as a parameter object.
     * @return Fully configured implementation of AmazonRedshift.
     */
    @Override
    protected AmazonRedshift build(AwsSyncClientParams params) {
        return new AmazonRedshiftClient(params);
    }

}