| /* |
| * 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 opennlp.tools.namefind; |
| |
| import opennlp.tools.util.SequenceValidator; |
| |
| public class BilouNameFinderSequenceValidator implements |
| SequenceValidator<String> { |
| |
| public boolean validSequence(int i, String[] inputSequence, |
| String[] outcomesSequence, String outcome) { |
| |
| if (outcome.endsWith(BilouCodec.CONTINUE) || outcome.endsWith(BilouCodec.LAST)) { |
| |
| int li = outcomesSequence.length - 1; |
| |
| if (li == -1) { |
| return false; |
| } else if (outcomesSequence[li].endsWith(BilouCodec.OTHER) || |
| outcomesSequence[li].endsWith(BilouCodec.UNIT)) { |
| return false; |
| } else if (outcomesSequence[li].endsWith(BilouCodec.LAST) && |
| (outcome.endsWith(BilouCodec.CONTINUE) || outcome.endsWith(BilouCodec.LAST))) { |
| return false; |
| } else if (outcomesSequence[li].endsWith(BilouCodec.CONTINUE) || |
| outcomesSequence[li].endsWith(BilouCodec.START)) { |
| // if it is continue, we have to check if previous match was of the same type |
| String previousNameType = NameFinderME.extractNameType(outcomesSequence[li]); |
| String nameType = NameFinderME.extractNameType(outcome); |
| if (previousNameType != null || nameType != null) { |
| if (nameType != null) { |
| return nameType.equals(previousNameType); |
| } |
| return false; // outcomes types are not equal |
| } |
| } |
| } |
| |
| if (outcomesSequence.length > 0) { |
| if (outcome.endsWith(BilouCodec.START) |
| || outcome.endsWith(BilouCodec.OTHER) |
| || outcome.endsWith(BilouCodec.UNIT)) { |
| return !outcomesSequence[outcomesSequence.length - 1].endsWith(BilouCodec.START) |
| && !outcomesSequence[outcomesSequence.length - 1].endsWith(BilouCodec.CONTINUE); |
| } |
| } |
| |
| return true; |
| } |
| } |