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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.sqs.model;

import java.io.Serializable;

/**
 * 
 * A list of returned queue attributes.
 * 
 */
public class GetQueueAttributesResult implements Serializable {

    /**
     * A map of attributes to the respective values.
     */
    private java.util.Map attributes;

    /**
     * A map of attributes to the respective values.
     *
     * @return A map of attributes to the respective values.
     */
    public java.util.Map getAttributes() {
        
        if (attributes == null) {
            attributes = new java.util.HashMap();
        }
        return attributes;
    }
    
    /**
     * A map of attributes to the respective values.
     *
     * @param attributes A map of attributes to the respective values.
     */
    public void setAttributes(java.util.Map attributes) {
        this.attributes = attributes;
    }
    
    /**
     * A map of attributes to the respective values.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     *
     * @param attributes A map of attributes to the respective values.
     *
     * @return A reference to this updated object so that method calls can be chained 
     *         together.
     */
    public GetQueueAttributesResult withAttributes(java.util.Map attributes) {
        setAttributes(attributes);
        return this;
    }

    /**
     * A map of attributes to the respective values.
     * 

     * The method adds a new key-value pair into Attributes parameter, and
     * returns a reference to this object so that method calls can be chained
     * together.
     *
     * @param key The key of the entry to be added into Attributes.
     * @param value The corresponding value of the entry to be added into Attributes.
     */
    public GetQueueAttributesResult addAttributesEntry(String key, String value) {
        if (null == this.attributes) {
            this.attributes = new java.util.HashMap();
        }
        if (this.attributes.containsKey(key))
            throw new IllegalArgumentException("Duplicated keys (" + key.toString() + ") are provided.");
        this.attributes.put(key, value);
        return this;
    }

    /**
     * Removes all the entries added into Attributes.
     * 
     * Returns a reference to this object so that method calls can be chained together.
     */
    public GetQueueAttributesResult clearAttributesEntries() {
        this.attributes = null;
        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 (getAttributes() != null) sb.append("Attributes: " + getAttributes() );
        sb.append("}");
        return sb.toString();
    }
    
    @Override
    public int hashCode() {
        final int prime = 31;
        int hashCode = 1;
        
        hashCode = prime * hashCode + ((getAttributes() == null) ? 0 : getAttributes().hashCode()); 
        return hashCode;
    }
    
    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;

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