| /* |
| * 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.lucene.codecs.cranky; |
| |
| import java.io.IOException; |
| import java.util.Random; |
| |
| import org.apache.lucene.codecs.FieldsConsumer; |
| import org.apache.lucene.codecs.FieldsProducer; |
| import org.apache.lucene.codecs.NormsProducer; |
| import org.apache.lucene.codecs.PostingsFormat; |
| import org.apache.lucene.index.Fields; |
| import org.apache.lucene.index.SegmentReadState; |
| import org.apache.lucene.index.SegmentWriteState; |
| |
| class CrankyPostingsFormat extends PostingsFormat { |
| final PostingsFormat delegate; |
| final Random random; |
| |
| CrankyPostingsFormat(PostingsFormat delegate, Random random) { |
| // we impersonate the passed-in codec, so we don't need to be in SPI, |
| // and so we dont change file formats |
| super(delegate.getName()); |
| this.delegate = delegate; |
| this.random = random; |
| } |
| |
| @Override |
| public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException { |
| if (random.nextInt(100) == 0) { |
| throw new IOException("Fake IOException from PostingsFormat.fieldsConsumer()"); |
| } |
| return new CrankyFieldsConsumer(delegate.fieldsConsumer(state), random); |
| } |
| |
| @Override |
| public FieldsProducer fieldsProducer(SegmentReadState state) throws IOException { |
| return delegate.fieldsProducer(state); |
| } |
| |
| static class CrankyFieldsConsumer extends FieldsConsumer { |
| final FieldsConsumer delegate; |
| final Random random; |
| |
| CrankyFieldsConsumer(FieldsConsumer delegate, Random random) { |
| this.delegate = delegate; |
| this.random = random; |
| } |
| |
| @Override |
| public void write(Fields fields, NormsProducer norms) throws IOException { |
| if (random.nextInt(100) == 0) { |
| throw new IOException("Fake IOException from FieldsConsumer.write()"); |
| } |
| delegate.write(fields, norms); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| delegate.close(); |
| if (random.nextInt(100) == 0) { |
| throw new IOException("Fake IOException from FieldsConsumer.close()"); |
| } |
| } |
| } |
| } |