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The AWS Java SDK for AWS Data Pipeline module holds the client classes that are used for communicating with AWS Data Pipeline Service
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/*
 * Copyright 2011-2016 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.datapipeline.model;

import java.io.Serializable;

/**
 * 
 * A key-value pair that describes a property of a pipeline object. The value is
 * specified as either a string value (StringValue) or a reference
 * to another object (RefValue) but not as both.
 * 
 */
public class Field implements Serializable, Cloneable {

    /**
     * 
     * The field identifier.
     * 
     */
    private String key;
    /**
     * 
     * The field value, expressed as a String.
     * 
     */
    private String stringValue;
    /**
     * 
     * The field value, expressed as the identifier of another object.
     * 
     */
    private String refValue;

    /**
     * 
     * The field identifier.
     * 
     * 
     * @param key
     *        The field identifier.
     */

    public void setKey(String key) {
        this.key = key;
    }

    /**
     * 
     * The field identifier.
     * 
     * 
     * @return The field identifier.
     */

    public String getKey() {
        return this.key;
    }

    /**
     * 
     * The field identifier.
     * 
     * 
     * @param key
     *        The field identifier.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */

    public Field withKey(String key) {
        setKey(key);
        return this;
    }

    /**
     * 
     * The field value, expressed as a String.
     * 
     * 
     * @param stringValue
     *        The field value, expressed as a String.
     */

    public void setStringValue(String stringValue) {
        this.stringValue = stringValue;
    }

    /**
     * 
     * The field value, expressed as a String.
     * 
     * 
     * @return The field value, expressed as a String.
     */

    public String getStringValue() {
        return this.stringValue;
    }

    /**
     * 
     * The field value, expressed as a String.
     * 
     * 
     * @param stringValue
     *        The field value, expressed as a String.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */

    public Field withStringValue(String stringValue) {
        setStringValue(stringValue);
        return this;
    }

    /**
     * 
     * The field value, expressed as the identifier of another object.
     * 
     * 
     * @param refValue
     *        The field value, expressed as the identifier of another object.
     */

    public void setRefValue(String refValue) {
        this.refValue = refValue;
    }

    /**
     * 
     * The field value, expressed as the identifier of another object.
     * 
     * 
     * @return The field value, expressed as the identifier of another object.
     */

    public String getRefValue() {
        return this.refValue;
    }

    /**
     * 
     * The field value, expressed as the identifier of another object.
     * 
     * 
     * @param refValue
     *        The field value, expressed as the identifier of another object.
     * @return Returns a reference to this object so that method calls can be
     *         chained together.
     */

    public Field withRefValue(String refValue) {
        setRefValue(refValue);
        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 (getKey() != null)
            sb.append("Key: " + getKey() + ",");
        if (getStringValue() != null)
            sb.append("StringValue: " + getStringValue() + ",");
        if (getRefValue() != null)
            sb.append("RefValue: " + getRefValue());
        sb.append("}");
        return sb.toString();
    }

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

        if (obj instanceof Field == false)
            return false;
        Field other = (Field) obj;
        if (other.getKey() == null ^ this.getKey() == null)
            return false;
        if (other.getKey() != null
                && other.getKey().equals(this.getKey()) == false)
            return false;
        if (other.getStringValue() == null ^ this.getStringValue() == null)
            return false;
        if (other.getStringValue() != null
                && other.getStringValue().equals(this.getStringValue()) == false)
            return false;
        if (other.getRefValue() == null ^ this.getRefValue() == null)
            return false;
        if (other.getRefValue() != null
                && other.getRefValue().equals(this.getRefValue()) == false)
            return false;
        return true;
    }

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

        hashCode = prime * hashCode
                + ((getKey() == null) ? 0 : getKey().hashCode());
        hashCode = prime
                * hashCode
                + ((getStringValue() == null) ? 0 : getStringValue().hashCode());
        hashCode = prime * hashCode
                + ((getRefValue() == null) ? 0 : getRefValue().hashCode());
        return hashCode;
    }

    @Override
    public Field clone() {
        try {
            return (Field) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new IllegalStateException(
                    "Got a CloneNotSupportedException from Object.clone() "
                            + "even though we're Cloneable!", e);
        }
    }
}