| /* |
| * 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.fit.benchmark; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| |
| import org.apache.uima.cas.CAS; |
| import org.apache.uima.cas.CASException; |
| import org.apache.uima.cas.Type; |
| import org.apache.uima.fit.type.Sentence; |
| import org.apache.uima.fit.type.Token; |
| |
| public final class CasInitializationUtils |
| { |
| private CasInitializationUtils() |
| { |
| // No instances |
| } |
| |
| public static void initRandomCas(CAS cas, int typeCount, int annotationCount, int maxAnnotationLength, |
| int approxDocLength, long seed) { |
| cas.reset(); |
| Random rnd = new Random(seed); |
| List<Type> types = new ArrayList<Type>(); |
| types.add(cas.getTypeSystem().getType(Token.class.getName())); |
| types.add(cas.getTypeSystem().getType(Sentence.class.getName())); |
| |
| // Shuffle the types |
| for (int n = 0; n < typeCount; n++) { |
| Type t = types.remove(rnd.nextInt(types.size())); |
| types.add(t); |
| } |
| |
| // Randomly generate annotations |
| for (int n = 0; n < annotationCount; n++) { |
| for (Type t : types) { |
| int begin = rnd.nextInt(approxDocLength); |
| int end = begin + rnd.nextInt(maxAnnotationLength); |
| cas.addFsToIndexes(cas.createAnnotation(t, begin, end)); |
| } |
| } |
| |
| try { |
| cas.getJCas(); |
| } |
| catch (CASException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| } |