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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.cloudformation.model;

import java.io.Serializable;

/**
 * 
 * The Parameter data type.
 * 
 */
public class Parameter implements Serializable {

    /**
     * The key associated with the parameter.
     */
    private String parameterKey;

    /**
     * The value associated with the parameter.
     */
    private String parameterValue;

    /**
     * The key associated with the parameter.
     *
     * @return The key associated with the parameter.
     */
    public String getParameterKey() {
        return parameterKey;
    }
    
    /**
     * The key associated with the parameter.
     *
     * @param parameterKey The key associated with the parameter.
     */
    public void setParameterKey(String parameterKey) {
        this.parameterKey = parameterKey;
    }
    
    /**
     * The key associated with the parameter.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param parameterKey The key associated with the parameter.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public Parameter withParameterKey(String parameterKey) {
        this.parameterKey = parameterKey;
        return this;
    }

    /**
     * The value associated with the parameter.
     *
     * @return The value associated with the parameter.
     */
    public String getParameterValue() {
        return parameterValue;
    }
    
    /**
     * The value associated with the parameter.
     *
     * @param parameterValue The value associated with the parameter.
     */
    public void setParameterValue(String parameterValue) {
        this.parameterValue = parameterValue;
    }
    
    /**
     * The value associated with the parameter.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param parameterValue The value associated with the parameter.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public Parameter withParameterValue(String parameterValue) {
        this.parameterValue = parameterValue;
        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 (getParameterKey() != null) sb.append("ParameterKey: " + getParameterKey() + ",");
        if (getParameterValue() != null) sb.append("ParameterValue: " + getParameterValue() );
        sb.append("}");
        return sb.toString();
    }
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        
        hashCode = prime * hashCode + ((getParameterKey() == null) ? 0 : getParameterKey().hashCode()); 
        hashCode = prime * hashCode + ((getParameterValue() == null) ? 0 : getParameterValue().hashCode()); 
        return hashCode;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;

        if (obj instanceof Parameter == false) return false;
        Parameter other = (Parameter)obj;
        
        if (other.getParameterKey() == null ^ this.getParameterKey() == null) return false;
        if (other.getParameterKey() != null && other.getParameterKey().equals(this.getParameterKey()) == false) return false; 
        if (other.getParameterValue() == null ^ this.getParameterValue() == null) return false;
        if (other.getParameterValue() != null && other.getParameterValue().equals(this.getParameterValue()) == false) return false; 
        return true;
    }
    
}