| /* |
| * 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.asserting; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| import org.apache.lucene.codecs.PointsFormat; |
| import org.apache.lucene.codecs.PointsReader; |
| import org.apache.lucene.codecs.PointsWriter; |
| import org.apache.lucene.index.AssertingLeafReader; |
| import org.apache.lucene.index.FieldInfo; |
| import org.apache.lucene.index.MergeState; |
| import org.apache.lucene.index.PointValues; |
| import org.apache.lucene.index.SegmentReadState; |
| import org.apache.lucene.index.SegmentWriteState; |
| import org.apache.lucene.util.Accountable; |
| import org.apache.lucene.util.TestUtil; |
| |
| /** |
| * Just like the default point format but with additional asserts. |
| */ |
| |
| public final class AssertingPointsFormat extends PointsFormat { |
| private final PointsFormat in; |
| |
| /** Create a new AssertingPointsFormat */ |
| public AssertingPointsFormat() { |
| this(TestUtil.getDefaultCodec().pointsFormat()); |
| } |
| |
| /** |
| * Expert: Create an AssertingPointsFormat. |
| * This is only intended to pass special parameters for testing. |
| */ |
| // TODO: can we randomize this a cleaner way? e.g. stored fields and vectors do |
| // this with a separate codec... |
| public AssertingPointsFormat(PointsFormat in) { |
| this.in = in; |
| } |
| |
| @Override |
| public PointsWriter fieldsWriter(SegmentWriteState state) throws IOException { |
| return new AssertingPointsWriter(state, in.fieldsWriter(state)); |
| } |
| |
| @Override |
| public PointsReader fieldsReader(SegmentReadState state) throws IOException { |
| return new AssertingPointsReader(state.segmentInfo.maxDoc(), in.fieldsReader(state), false); |
| } |
| |
| |
| static class AssertingPointsReader extends PointsReader { |
| private final PointsReader in; |
| private final int maxDoc; |
| private final boolean merging; |
| private final Thread creationThread; |
| |
| AssertingPointsReader(int maxDoc, PointsReader in, boolean merging) { |
| this.in = in; |
| this.maxDoc = maxDoc; |
| this.merging = merging; |
| this.creationThread = Thread.currentThread(); |
| // do a few simple checks on init |
| assert toString() != null; |
| assert ramBytesUsed() >= 0; |
| assert getChildResources() != null; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| in.close(); |
| in.close(); // close again |
| } |
| |
| @Override |
| public PointValues getValues(String field) throws IOException { |
| if (merging) { |
| AssertingCodec.assertThread("PointsReader", creationThread); |
| } |
| PointValues values = this.in.getValues(field); |
| if (values == null) { |
| return null; |
| } |
| return new AssertingLeafReader.AssertingPointValues(values, maxDoc); |
| } |
| |
| @Override |
| public long ramBytesUsed() { |
| long v = in.ramBytesUsed(); |
| assert v >= 0; |
| return v; |
| } |
| |
| @Override |
| public Collection<Accountable> getChildResources() { |
| Collection<Accountable> res = in.getChildResources(); |
| TestUtil.checkReadOnly(res); |
| return res; |
| } |
| |
| @Override |
| public void checkIntegrity() throws IOException { |
| in.checkIntegrity(); |
| } |
| |
| @Override |
| public PointsReader getMergeInstance() { |
| return new AssertingPointsReader(maxDoc, in.getMergeInstance(), true); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + "(" + in.toString() + ")"; |
| } |
| } |
| |
| static class AssertingPointsWriter extends PointsWriter { |
| private final PointsWriter in; |
| |
| AssertingPointsWriter(SegmentWriteState writeState, PointsWriter in) { |
| this.in = in; |
| } |
| |
| @Override |
| public void writeField(FieldInfo fieldInfo, PointsReader values) throws IOException { |
| if (fieldInfo.getPointDimensionCount() == 0) { |
| throw new IllegalArgumentException("writing field=\"" + fieldInfo.name + "\" but pointDimensionalCount is 0"); |
| } |
| in.writeField(fieldInfo, values); |
| } |
| |
| @Override |
| public void merge(MergeState mergeState) throws IOException { |
| in.merge(mergeState); |
| } |
| |
| @Override |
| public void finish() throws IOException { |
| in.finish(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| in.close(); |
| in.close(); // close again |
| } |
| } |
| } |