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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#describeStep(DescribeStepRequest) DescribeStep operation}.
 * 
 * Provides more detail about the cluster step.
 * 
 *
 * @see com.amazonaws.services.elasticmapreduce.AmazonElasticMapReduce#describeStep(DescribeStepRequest)
 */
public class DescribeStepRequest extends AmazonWebServiceRequest implements Serializable {

    /**
     * The identifier of the cluster with steps to describe.
     */
    private String clusterId;

    /**
     * The identifier of the step to describe.
     */
    private String stepId;

    /**
     * The identifier of the cluster with steps to describe.
     *
     * @return The identifier of the cluster with steps to describe.
     */
    public String getClusterId() {
        return clusterId;
    }
    
    /**
     * The identifier of the cluster with steps to describe.
     *
     * @param clusterId The identifier of the cluster with steps to describe.
     */
    public void setClusterId(String clusterId) {
        this.clusterId = clusterId;
    }
    
    /**
     * The identifier of the cluster with steps to describe.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param clusterId The identifier of the cluster with steps to describe.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public DescribeStepRequest withClusterId(String clusterId) {
        this.clusterId = clusterId;
        return this;
    }

    /**
     * The identifier of the step to describe.
     *
     * @return The identifier of the step to describe.
     */
    public String getStepId() {
        return stepId;
    }
    
    /**
     * The identifier of the step to describe.
     *
     * @param stepId The identifier of the step to describe.
     */
    public void setStepId(String stepId) {
        this.stepId = stepId;
    }
    
    /**
     * The identifier of the step to describe.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param stepId The identifier of the step to describe.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public DescribeStepRequest withStepId(String stepId) {
        this.stepId = stepId;
        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 (getClusterId() != null) sb.append("ClusterId: " + getClusterId() + ",");
        if (getStepId() != null) sb.append("StepId: " + getStepId() );
        sb.append("}");
        return sb.toString();
    }
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        
        hashCode = prime * hashCode + ((getClusterId() == null) ? 0 : getClusterId().hashCode()); 
        hashCode = prime * hashCode + ((getStepId() == null) ? 0 : getStepId().hashCode()); 
        return hashCode;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;

        if (obj instanceof DescribeStepRequest == false) return false;
        DescribeStepRequest other = (DescribeStepRequest)obj;
        
        if (other.getClusterId() == null ^ this.getClusterId() == null) return false;
        if (other.getClusterId() != null && other.getClusterId().equals(this.getClusterId()) == false) return false; 
        if (other.getStepId() == null ^ this.getStepId() == null) return false;
        if (other.getStepId() != null && other.getStepId().equals(this.getStepId()) == false) return false; 
        return true;
    }
    
}