com.amazonaws.services.elasticmapreduce.model.ModifyInstanceGroupsRequest Maven / Gradle / Ivy

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The Amazon Web Services 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 2010-2014 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.elasticmapreduce.model;

import java.io.Serializable;

import com.amazonaws.AmazonWebServiceRequest;

/**
 * Container for the parameters to the {@link com.amazonaws.services.elasticmapreduce.AmazonElasticMapReduce#modifyInstanceGroups(ModifyInstanceGroupsRequest) ModifyInstanceGroups operation}.
 * 
 * ModifyInstanceGroups modifies the number of nodes and configuration
 * settings of an instance group. The input parameters include the new
 * target instance count for the group and the instance group ID. The
 * call will either succeed or fail atomically.
 * 
 *
 * @see com.amazonaws.services.elasticmapreduce.AmazonElasticMapReduce#modifyInstanceGroups(ModifyInstanceGroupsRequest)
 */
public class ModifyInstanceGroupsRequest extends AmazonWebServiceRequest implements Serializable {

    /**
     * Instance groups to change.
     */
    private com.amazonaws.internal.ListWithAutoConstructFlag instanceGroups;

    /**
     * Default constructor for a new ModifyInstanceGroupsRequest object.  Callers should use the
     * setter or fluent setter (with...) methods to initialize this object after creating it.
     */
    public ModifyInstanceGroupsRequest() {}
    
    /**
     * Constructs a new ModifyInstanceGroupsRequest object.
     * Callers should use the setter or fluent setter (with...) methods to
     * initialize any additional object members.
     * 
     * @param instanceGroups Instance groups to change.
     */
    public ModifyInstanceGroupsRequest(java.util.List instanceGroups) {
        setInstanceGroups(instanceGroups);
    }

    /**
     * Instance groups to change.
     *
     * @return Instance groups to change.
     */
    public java.util.List getInstanceGroups() {
        if (instanceGroups == null) {
              instanceGroups = new com.amazonaws.internal.ListWithAutoConstructFlag();
              instanceGroups.setAutoConstruct(true);
        }
        return instanceGroups;
    }
    
    /**
     * Instance groups to change.
     *
     * @param instanceGroups Instance groups to change.
     */
    public void setInstanceGroups(java.util.Collection instanceGroups) {
        if (instanceGroups == null) {
            this.instanceGroups = null;
            return;
        }
        com.amazonaws.internal.ListWithAutoConstructFlag instanceGroupsCopy = new com.amazonaws.internal.ListWithAutoConstructFlag(instanceGroups.size());
        instanceGroupsCopy.addAll(instanceGroups);
        this.instanceGroups = instanceGroupsCopy;
    }
    
    /**
     * Instance groups to change.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param instanceGroups Instance groups to change.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public ModifyInstanceGroupsRequest withInstanceGroups(InstanceGroupModifyConfig... instanceGroups) {
        if (getInstanceGroups() == null) setInstanceGroups(new java.util.ArrayList(instanceGroups.length));
        for (InstanceGroupModifyConfig value : instanceGroups) {
            getInstanceGroups().add(value);
        }
        return this;
    }
    
    /**
     * Instance groups to change.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param instanceGroups Instance groups to change.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public ModifyInstanceGroupsRequest withInstanceGroups(java.util.Collection instanceGroups) {
        if (instanceGroups == null) {
            this.instanceGroups = null;
        } else {
            com.amazonaws.internal.ListWithAutoConstructFlag instanceGroupsCopy = new com.amazonaws.internal.ListWithAutoConstructFlag(instanceGroups.size());
            instanceGroupsCopy.addAll(instanceGroups);
            this.instanceGroups = instanceGroupsCopy;
        }

        return this;
    }

    /**
     * Returns a string representation of this object; useful for testing and
     * debugging.
     *
     * @return A string representation of this object.
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getInstanceGroups() != null) sb.append("InstanceGroups: " + getInstanceGroups() );
        sb.append("}");
        return sb.toString();
    }
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        
        hashCode = prime * hashCode + ((getInstanceGroups() == null) ? 0 : getInstanceGroups().hashCode()); 
        return hashCode;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;

        if (obj instanceof ModifyInstanceGroupsRequest == false) return false;
        ModifyInstanceGroupsRequest other = (ModifyInstanceGroupsRequest)obj;
        
        if (other.getInstanceGroups() == null ^ this.getInstanceGroups() == null) return false;
        if (other.getInstanceGroups() != null && other.getInstanceGroups().equals(this.getInstanceGroups()) == false) return false; 
        return true;
    }
    
}