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RID container serializer back-compatibility
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187 changes: 187 additions & 0 deletions
187
...ologies/orient/core/serialization/serializer/stream/OStreamSerializerOldRIDContainer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| /* | ||
| * Copyright 2010-2012 Luca Garulli (l.garulli--at--orientechnologies.com) | ||
| * | ||
| * Licensed 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 com.orientechnologies.orient.core.serialization.serializer.stream; | ||
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| import java.io.IOException; | ||
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| import com.orientechnologies.common.directmemory.ODirectMemoryPointer; | ||
| import com.orientechnologies.common.serialization.types.OBinarySerializer; | ||
| import com.orientechnologies.common.serialization.types.OBinaryTypeSerializer; | ||
| import com.orientechnologies.orient.core.db.record.ridset.sbtree.OIndexRIDContainerSBTree; | ||
| import com.orientechnologies.orient.core.index.sbtreebonsai.local.OBonsaiBucketPointer; | ||
| import com.orientechnologies.orient.core.metadata.schema.OType; | ||
| import com.orientechnologies.orient.core.record.impl.ODocument; | ||
| import com.orientechnologies.orient.core.serialization.OBinaryProtocol; | ||
| import com.orientechnologies.orient.core.serialization.serializer.OStringSerializerHelper; | ||
| import com.orientechnologies.orient.core.serialization.serializer.record.ORecordSerializerFactory; | ||
| import com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerSchemaAware2CSV; | ||
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|
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| /** | ||
| * Created to make | ||
| */ | ||
| public class OStreamSerializerOldRIDContainer implements OStreamSerializer, OBinarySerializer<OIndexRIDContainerSBTree> { | ||
| public static final String NAME = "ic"; | ||
| public static final OStreamSerializerOldRIDContainer INSTANCE = new OStreamSerializerOldRIDContainer(); | ||
| private static final ORecordSerializerSchemaAware2CSV FORMAT = (ORecordSerializerSchemaAware2CSV) ORecordSerializerFactory | ||
| .instance().getFormat(ORecordSerializerSchemaAware2CSV.NAME); | ||
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| public static final byte ID = 20; | ||
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| public Object fromStream(final byte[] iStream) throws IOException { | ||
| if (iStream == null) | ||
| return null; | ||
|
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| final String s = OBinaryProtocol.bytes2string(iStream); | ||
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| return FORMAT.embeddedCollectionFromStream(null, OType.EMBEDDEDSET, null, OType.LINK, s); | ||
| } | ||
|
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| public byte[] toStream(final Object object) throws IOException { | ||
| if (object == null) | ||
| return null; | ||
|
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| return containerToStream((OIndexRIDContainerSBTree) object); | ||
| } | ||
|
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| public String getName() { | ||
| return NAME; | ||
| } | ||
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| @Override | ||
| public int getObjectSize(OIndexRIDContainerSBTree object, Object... hints) { | ||
| final byte[] serializedSet = containerToStream(object); | ||
| return OBinaryTypeSerializer.INSTANCE.getObjectSize(serializedSet); | ||
| } | ||
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| @Override | ||
| public int getObjectSize(byte[] stream, int startPosition) { | ||
| return OBinaryTypeSerializer.INSTANCE.getObjectSize(stream, startPosition); | ||
| } | ||
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| @Override | ||
| public void serialize(OIndexRIDContainerSBTree object, byte[] stream, int startPosition, Object... hints) { | ||
| final byte[] serializedSet = containerToStream(object); | ||
| OBinaryTypeSerializer.INSTANCE.serialize(serializedSet, stream, startPosition); | ||
| } | ||
|
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| @Override | ||
| public OIndexRIDContainerSBTree deserialize(byte[] stream, int startPosition) { | ||
| final byte[] serializedSet = OBinaryTypeSerializer.INSTANCE.deserialize(stream, startPosition); | ||
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| final String s = OBinaryProtocol.bytes2string(serializedSet); | ||
|
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| if (s.startsWith("<#@")) { | ||
| return containerFromStream(s); | ||
| } | ||
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| return (OIndexRIDContainerSBTree) FORMAT.embeddedCollectionFromStream(null, OType.EMBEDDEDSET, null, OType.LINK, s); | ||
| } | ||
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| @Override | ||
| public byte getId() { | ||
| return ID; | ||
| } | ||
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| @Override | ||
| public boolean isFixedLength() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public int getFixedLength() { | ||
| return 0; | ||
| } | ||
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| @Override | ||
| public void serializeNative(OIndexRIDContainerSBTree object, byte[] stream, int startPosition, Object... hints) { | ||
| final byte[] serializedSet = containerToStream(object); | ||
| OBinaryTypeSerializer.INSTANCE.serializeNative(serializedSet, stream, startPosition); | ||
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| } | ||
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| @Override | ||
| public OIndexRIDContainerSBTree deserializeNative(byte[] stream, int startPosition) { | ||
| final byte[] serializedSet = OBinaryTypeSerializer.INSTANCE.deserializeNative(stream, startPosition); | ||
|
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| final String s = OBinaryProtocol.bytes2string(serializedSet); | ||
|
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| if (s.startsWith("<#@")) { | ||
| return containerFromStream(s); | ||
| } | ||
|
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| return (OIndexRIDContainerSBTree) FORMAT.embeddedCollectionFromStream(null, OType.EMBEDDEDSET, null, OType.LINK, s); | ||
| } | ||
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| @Override | ||
| public int getObjectSizeNative(byte[] stream, int startPosition) { | ||
| return OBinaryTypeSerializer.INSTANCE.getObjectSizeNative(stream, startPosition); | ||
| } | ||
|
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| @Override | ||
| public void serializeInDirectMemory(OIndexRIDContainerSBTree object, ODirectMemoryPointer pointer, long offset, Object... hints) { | ||
| final byte[] serializedSet = containerToStream(object); | ||
| OBinaryTypeSerializer.INSTANCE.serializeInDirectMemory(serializedSet, pointer, offset); | ||
| } | ||
|
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| @Override | ||
| public OIndexRIDContainerSBTree deserializeFromDirectMemory(ODirectMemoryPointer pointer, long offset) { | ||
| final byte[] serializedSet = OBinaryTypeSerializer.INSTANCE.deserializeFromDirectMemory(pointer, offset); | ||
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| final String s = OBinaryProtocol.bytes2string(serializedSet); | ||
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| if (s.startsWith("<#@")) { | ||
| return containerFromStream(s); | ||
| } | ||
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| return (OIndexRIDContainerSBTree) FORMAT.embeddedCollectionFromStream(null, OType.EMBEDDEDSET, null, OType.LINK, s); | ||
| } | ||
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| @Override | ||
| public int getObjectSizeInDirectMemory(ODirectMemoryPointer pointer, long offset) { | ||
| return OBinaryTypeSerializer.INSTANCE.getObjectSizeInDirectMemory(pointer, offset); | ||
| } | ||
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| @Override | ||
| public OIndexRIDContainerSBTree preprocess(OIndexRIDContainerSBTree value, Object... hints) { | ||
| return value; | ||
| } | ||
|
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| private byte[] containerToStream(OIndexRIDContainerSBTree object) { | ||
| StringBuilder iOutput = new StringBuilder(); | ||
| iOutput.append(OStringSerializerHelper.LINKSET_PREFIX); | ||
|
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| final ODocument document = new ODocument(); | ||
| document.field("rootIndex", object.getRootPointer().getPageIndex()); | ||
| document.field("rootOffset", object.getRootPointer().getPageOffset()); | ||
| document.field("file", object.getFileName()); | ||
| iOutput.append(new String(document.toStream())); | ||
|
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| iOutput.append(OStringSerializerHelper.SET_END); | ||
| return iOutput.toString().getBytes(); | ||
| } | ||
|
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| private OIndexRIDContainerSBTree containerFromStream(String stream) { | ||
| stream = stream.substring(OStringSerializerHelper.LINKSET_PREFIX.length(), stream.length() - 1); | ||
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| final ODocument doc = new ODocument(); | ||
| doc.fromString(stream); | ||
| final OBonsaiBucketPointer rootPointer = new OBonsaiBucketPointer((Long) doc.field("rootIndex"), | ||
| (Integer) doc.field("rootOffset")); | ||
| final String fileName = doc.field("file"); | ||
|
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| return new OIndexRIDContainerSBTree(fileName, rootPointer); | ||
| } | ||
| } |
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