| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.uima.cas; |
| |
| |
| /** |
| * An object obtained from the <code>CAS</code> that is used to query when FSs were |
| * created or modified with respect to the marker. |
| */ |
| public interface Marker { |
| |
| /** |
| * Returns true if a <code>FeatureStructure</code> was created after the mark represented by this <code>Marker</code> object. |
| * @param fs |
| * @return |
| */ |
| boolean isNew(FeatureStructure fs); |
| |
| /** |
| * Returns true if a <code>FeatureStructure</code> that existed prior to the mark |
| * represented by this <code>Markere</code> is modified. |
| * @param fs |
| * @return boolean |
| */ |
| boolean isModified(FeatureStructure fs); |
| |
| /** |
| * Return true if the Marker is still valid. |
| * A Marker becomes invalid when the <code>CAS</code> from which it was obtained |
| * is reset. |
| * @return |
| */ |
| boolean isValid(); |
| |
| } |
| |
