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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.auth.policy.conditions;

import java.util.Arrays;

import com.amazonaws.auth.policy.Condition;

/**
 * AWS access control policy condition that allows an access control statement to be
 * conditionally applied based on a numeric comparison.
 */
public class NumericCondition extends Condition {

    /** Enumeration of the supported ways a numeric comparison can be evaluated */
    public static enum NumericComparisonType {
        NumericEquals,
        NumericGreaterThan,
        NumericGreaterThanEquals,
        NumericLessThan,
        NumericLessThanEquals,
        NumericNotEquals;
    };

    /**
     * Constructs a new access policy condition that compares two numbers.
     *
     * @param type
     *            The type of comparison to perform.
     * @param key
     *            The access policy condition key specifying where to get the
     *            first number for the comparison.
     * @param value
     *            The second number to compare against.
     */
    public NumericCondition(NumericComparisonType type, String key, String value) {
        super.type = type.toString();
        super.conditionKey = key;
        super.values = Arrays.asList(new String[] {value});
    }

}