/** * Copyright 2009 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License 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 org.waveprotocol.wave.model.document.util; import org.waveprotocol.wave.model.document.ReadableDocument; /** * A predicate on document nodes, reusable independently * of the specific node implementations * * @author danilatos@google.com (Daniel Danilatos) */ public interface DocPredicate { /** * @param doc document for the given node * @param node node the predicate is to be applied on * @return the result of this predicate on the node */ <N, E extends N, T extends N> boolean apply(ReadableDocument<N, E, T> doc, N node); }