org.nhindirect.policy.LiteralPolicyExpression Maven / Gradle / Ivy
/*
Copyright (c) 2010, NHIN Direct Project
All rights reserved.
Authors:
Greg Meyer [email protected]
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the distribution. Neither the name of the The NHIN Direct Project (nhindirect.org).
nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE
*/
package org.nhindirect.policy;
/**
* Literal expression type object. Literals are simply primitive types or objects that have a static value.
* In the policy engine, literals are represented by {@link PolicyValue} objects and are retrieved by calling the
* {@link #getPolicyValue()} method.
*
* Instances of this interface are created using the {@link LiteralPolicyExpressionFactory} class.
* @author Greg Meyer
* @since 1.0
*
* @param The type of the policy value.
*/
public interface LiteralPolicyExpression
extends PolicyExpression
{
/**
* Retrieves the static value contained within literal expression.
* @return The static value contained within literal expression.
*/
public PolicyValue
getPolicyValue();
}