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The AWS Java SDK for Amazon EMR module holds the client classes that are used for communicating with Amazon Elastic MapReduce 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.elasticmapreduce.model;

import java.io.Serializable;
import com.amazonaws.AmazonWebServiceRequest;

/**
 * 
 * The input argument to the AddJobFlowSteps operation.
 * 
 */
public class AddJobFlowStepsRequest extends AmazonWebServiceRequest implements
        Serializable, Cloneable {

    /**
     * 
     * A string that uniquely identifies the job flow. This identifier is
     * returned by RunJobFlow and can also be obtained from
     * ListClusters.
     * 
     */
    private String jobFlowId;
    /**
     * 
     * A list of StepConfig to be executed by the job flow.
     * 
     */
    private com.amazonaws.internal.SdkInternalList steps;

    /**
     * Default constructor for AddJobFlowStepsRequest object. Callers should use
     * the setter or fluent setter (with...) methods to initialize the object
     * after creating it.
     */
    public AddJobFlowStepsRequest() {
    }

    /**
     * Constructs a new AddJobFlowStepsRequest object. Callers should use the
     * setter or fluent setter (with...) methods to initialize any additional
     * object members.
     * 
     * @param jobFlowId
     *        A string that uniquely identifies the job flow. This identifier is
     *        returned by RunJobFlow and can also be obtained from
     *        ListClusters.
     */
    public AddJobFlowStepsRequest(String jobFlowId) {
        setJobFlowId(jobFlowId);
    }

    /**
     * Constructs a new AddJobFlowStepsRequest object. Callers should use the
     * setter or fluent setter (with...) methods to initialize any additional
     * object members.
     * 
     * @param jobFlowId
     *        A string that uniquely identifies the job flow. This identifier is
     *        returned by RunJobFlow and can also be obtained from
     *        ListClusters.
     * @param steps
     *        A list of StepConfig to be executed by the job flow.
     */
    public AddJobFlowStepsRequest(String jobFlowId,
            java.util.List steps) {
        setJobFlowId(jobFlowId);
        setSteps(steps);
    }

    /**
     * 
     * A string that uniquely identifies the job flow. This identifier is
     * returned by RunJobFlow and can also be obtained from
     * ListClusters.
     * 
     * 
     * @param jobFlowId
     *        A string that uniquely identifies the job flow. This identifier is
     *        returned by RunJobFlow and can also be obtained from
     *        ListClusters.
     */

    public void setJobFlowId(String jobFlowId) {
        this.jobFlowId = jobFlowId;
    }

    /**
     * 
     * A string that uniquely identifies the job flow. This identifier is
     * returned by RunJobFlow and can also be obtained from
     * ListClusters.
     * 
     * 
     * @return A string that uniquely identifies the job flow. This identifier
     *         is returned by RunJobFlow and can also be obtained from
     *         ListClusters.
     */

    public String getJobFlowId() {
        return this.jobFlowId;
    }

    /**
     * 
     * A string that uniquely identifies the job flow. This identifier is
     * returned by RunJobFlow and can also be obtained from
     * ListClusters.
     * 
     * 
     * @param jobFlowId
     *        A string that uniquely identifies the job flow. This identifier is
     *        returned by RunJobFlow and can also be obtained from
     *        ListClusters.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */

    public AddJobFlowStepsRequest withJobFlowId(String jobFlowId) {
        setJobFlowId(jobFlowId);
        return this;
    }

    /**
     * 
     * A list of StepConfig to be executed by the job flow.
     * 
     * 
     * @return A list of StepConfig to be executed by the job flow.
     */

    public java.util.List getSteps() {
        if (steps == null) {
            steps = new com.amazonaws.internal.SdkInternalList();
        }
        return steps;
    }

    /**
     * 
     * A list of StepConfig to be executed by the job flow.
     * 
     * 
     * @param steps
     *        A list of StepConfig to be executed by the job flow.
     */

    public void setSteps(java.util.Collection steps) {
        if (steps == null) {
            this.steps = null;
            return;
        }

        this.steps = new com.amazonaws.internal.SdkInternalList(
                steps);
    }

    /**
     * 
     * A list of StepConfig to be executed by the job flow.
     * 
     * 
     * NOTE: This method appends the values to the existing list (if
     * any). Use {@link #setSteps(java.util.Collection)} or
     * {@link #withSteps(java.util.Collection)} if you want to override the
     * existing values.
     * 
     * 
     * @param steps
     *        A list of StepConfig to be executed by the job flow.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */

    public AddJobFlowStepsRequest withSteps(StepConfig... steps) {
        if (this.steps == null) {
            setSteps(new com.amazonaws.internal.SdkInternalList(
                    steps.length));
        }
        for (StepConfig ele : steps) {
            this.steps.add(ele);
        }
        return this;
    }

    /**
     * 
     * A list of StepConfig to be executed by the job flow.
     * 
     * 
     * @param steps
     *        A list of StepConfig to be executed by the job flow.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */

    public AddJobFlowStepsRequest withSteps(
            java.util.Collection steps) {
        setSteps(steps);
        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 (getJobFlowId() != null)
            sb.append("JobFlowId: " + getJobFlowId() + ",");
        if (getSteps() != null)
            sb.append("Steps: " + getSteps());
        sb.append("}");
        return sb.toString();
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;

        if (obj instanceof AddJobFlowStepsRequest == false)
            return false;
        AddJobFlowStepsRequest other = (AddJobFlowStepsRequest) obj;
        if (other.getJobFlowId() == null ^ this.getJobFlowId() == null)
            return false;
        if (other.getJobFlowId() != null
                && other.getJobFlowId().equals(this.getJobFlowId()) == false)
            return false;
        if (other.getSteps() == null ^ this.getSteps() == null)
            return false;
        if (other.getSteps() != null
                && other.getSteps().equals(this.getSteps()) == false)
            return false;
        return true;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;

        hashCode = prime * hashCode
                + ((getJobFlowId() == null) ? 0 : getJobFlowId().hashCode());
        hashCode = prime * hashCode
                + ((getSteps() == null) ? 0 : getSteps().hashCode());
        return hashCode;
    }

    @Override
    public AddJobFlowStepsRequest clone() {
        return (AddJobFlowStepsRequest) super.clone();
    }
}