001/*
002 * Copyright 2012 Atteo.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.atteo.evo.filtering;
017
018/**
019 * Property resolver which handles properties with given prefix.
020 */
021public interface PrefixedPropertyResolver extends PropertyResolver {
022    /**
023     * Prefix which this property resolver handles.
024     * {@link CompoundPropertyResolver} will not execute this resolver if prefix does not match
025     * property name. If at least one resolver matches the prefix, CompoundPropertyResolver
026     * will not execute any of the non-matching {@link PropertyResolver Resolvers}.
027     * @return prefix, or null if resolver is not prefixed
028     */
029    String getPrefix();
030}