| /* |
| * 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.hyracks.dataflow.std.buffermanager; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.nio.ByteBuffer; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Random; |
| |
| import org.apache.hyracks.api.comm.FixedSizeFrame; |
| import org.apache.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import org.apache.hyracks.api.dataflow.value.RecordDescriptor; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.dataflow.common.comm.io.ArrayTupleBuilder; |
| import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor; |
| import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender; |
| import org.apache.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer; |
| import org.apache.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer; |
| import org.apache.hyracks.util.IntSerDeUtils; |
| import org.apache.hyracks.dataflow.std.sort.Utility; |
| import org.apache.hyracks.dataflow.std.structures.TuplePointer; |
| |
| public abstract class AbstractTupleMemoryManagerTest { |
| ISerializerDeserializer[] fieldsSerDer = new ISerializerDeserializer[] { |
| IntegerSerializerDeserializer.INSTANCE, new UTF8StringSerializerDeserializer() }; |
| RecordDescriptor recordDescriptor = new RecordDescriptor(fieldsSerDer); |
| ArrayTupleBuilder tupleBuilder = new ArrayTupleBuilder(recordDescriptor.getFieldCount()); |
| FrameTupleAccessor inFTA = new FrameTupleAccessor(recordDescriptor); |
| Random random = new Random(System.currentTimeMillis()); |
| |
| abstract ITuplePointerAccessor getTuplePointerAccessor(); |
| |
| protected void assertEachTupleInFTAIsInBuffer(Map<Integer, Integer> map, Map<TuplePointer, Integer> mapInserted) { |
| ITuplePointerAccessor accessor = getTuplePointerAccessor(); |
| for (Map.Entry<TuplePointer, Integer> entry : mapInserted.entrySet()) { |
| accessor.reset(entry.getKey()); |
| int dataLength = map.get(entry.getValue()); |
| assertEquals((int) entry.getValue(), |
| IntSerDeUtils.getInt(accessor.getBuffer().array(), accessor.getAbsFieldStartOffset(0))); |
| assertEquals(dataLength, accessor.getTupleLength()); |
| } |
| assertEquals(map.size(), mapInserted.size()); |
| } |
| |
| protected Map<Integer, Integer> prepareFixedSizeTuples( |
| int tuplePerFrame, |
| int extraMetaBytePerFrame, |
| int extraMetaBytePerRecord) throws HyracksDataException { |
| Map<Integer, Integer> dataSet = new HashMap<>(); |
| ByteBuffer buffer = ByteBuffer.allocate(Common.BUDGET); |
| FixedSizeFrame frame = new FixedSizeFrame(buffer); |
| FrameTupleAppender appender = new FrameTupleAppender(); |
| appender.reset(frame, true); |
| |
| int sizePerTuple = (Common.MIN_FRAME_SIZE - 1 - tuplePerFrame * 4 - 4 - extraMetaBytePerFrame) / tuplePerFrame; |
| int sizeChar = |
| sizePerTuple - extraMetaBytePerRecord - fieldsSerDer.length * 4 - 4 - 2; //2byte to write str length |
| assert (sizeChar > 0); |
| for (int i = 0; i < Common.NUM_MIN_FRAME * tuplePerFrame; i++) { |
| tupleBuilder.reset(); |
| tupleBuilder.addField(fieldsSerDer[0], i); |
| tupleBuilder.addField(fieldsSerDer[1], Utility.repeatString('a', sizeChar)); |
| if (!appender.append(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray(), 0, |
| tupleBuilder.getSize())) { |
| assert false; |
| } |
| dataSet.put(i, tupleBuilder.getSize() + tupleBuilder.getFieldEndOffsets().length * 4); |
| } |
| inFTA.reset(buffer); |
| return dataSet; |
| } |
| |
| protected Map<Integer, Integer> prepareVariableSizeTuples() throws HyracksDataException { |
| Map<Integer, Integer> dataSet = new HashMap<>(); |
| ByteBuffer buffer = ByteBuffer.allocate(Common.BUDGET); |
| FixedSizeFrame frame = new FixedSizeFrame(buffer); |
| FrameTupleAppender appender = new FrameTupleAppender(); |
| appender.reset(frame, true); |
| |
| for (int i = 0; true; i++) { |
| tupleBuilder.reset(); |
| tupleBuilder.addField(fieldsSerDer[0], i); |
| tupleBuilder.addField(fieldsSerDer[1], Utility.repeatString('a', i)); |
| if (!appender.append(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray(), 0, |
| tupleBuilder.getSize())) { |
| break; |
| } |
| dataSet.put(i, tupleBuilder.getSize() + tupleBuilder.getFieldEndOffsets().length * 4); |
| } |
| inFTA.reset(buffer); |
| return dataSet; |
| } |
| |
| } |