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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.
 *
 * Portions copyright 2006-2009 James Murty. Please see LICENSE.txt
 * for applicable license terms and NOTICE.txt for applicable notices.
 *
 * 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.s3.model;

/**
 * Specifies a grant, consisting of one grantee and one permission.
 * 
 * @see Grant#Grant(Grantee, Permission)
 */
public class Grant {
    private Grantee grantee = null;
    private Permission permission = null;

    /**
     * Constructs a new {@link Grant} object using the specified grantee and permission
     * objects.
     *
     * @param grantee
     *            The grantee being granted a permission by this grant.
     * @param permission
     *            The permission being granted to the grantee by this grant.
     */
    public Grant(Grantee grantee, Permission permission) {
        this.grantee = grantee;
        this.permission = permission;
    }

    /**
     * Gets the grantee being granted a permission by this grant.
     *
     * @return The grantee being granted a permission by this grant.
     * 
     * @see Grant#getPermission()
     */
    public Grantee getGrantee() {
        return grantee;
    }

    /**
     * Gets the permission being granted to the grantee by this grant.
     *
     * @return The permission being granted to the grantee by this grant.
     * 
     * @see Grant#getGrantee()
     */
    public Permission getPermission() {
        return permission;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((grantee == null) ? 0 : grantee.hashCode());
        result = prime * result + ((permission == null) ? 0 : permission.hashCode());
        return result;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#equals(java.lang.Object)
     */
    @Override
    public boolean equals(Object obj) {
        if ( this == obj )
            return true;
        if ( obj == null )
            return false;
        if ( getClass() != obj.getClass() )
            return false;
        Grant other = (Grant) obj;
        if ( grantee == null ) {
            if ( other.grantee != null )
                return false;
        } else if ( !grantee.equals(other.grantee) )
            return false;
        if ( permission != other.permission )
            return false;
        return true;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "Grant [grantee=" + grantee + ", permission=" + permission + "]";
    }
}