/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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* Portions copyright 2012 ForgeRock AS.
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*/
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package org.forgerock.opendj.ldap;
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/**
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* Functions transform input values of type {@code M} to output values of type
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* {@code N}.
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* <p>
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* A {@code Function} can be passed to an {@link AttributeParser} in order to
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* facilitate parsing of attributes. Common implementations can be found in the
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* {@link Functions} class.
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*
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* @param <M>
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* The type of input values transformed by this function.
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* @param <N>
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* The type of output values return by this function.
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* @param <P>
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* The type of the additional parameter to this function's
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* {@code apply} method. Use {@link java.lang.Void} for functions
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* that do not need an additional parameter.
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* @see Functions
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* @see AttributeParser
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*/
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public interface Function<M, N, P> {
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/**
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* Applies this function to the provided input value of type {@code M} ,
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* returning an output value of type {@code N}.
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*
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* @param value
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* The value to be transformed.
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* @param p
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* A function specified parameter.
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* @return The result of the transformation.
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*/
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N apply(M value, P p);
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}
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