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/*
*
* * Copyright 2010-2016 OrientDB LTD (http://orientdb.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.
* *
* * For more information: http://orientdb.com
*
*/
package com.orientechnologies.orient.core.serialization.serializer.stream;
import static com.orientechnologies.orient.core.serialization.serializer.binary.impl.OLinkSerializer.RID_SIZE;
import com.orientechnologies.common.serialization.types.OBinarySerializer;
import com.orientechnologies.common.serialization.types.OBooleanSerializer;
import com.orientechnologies.common.serialization.types.OIntegerSerializer;
import com.orientechnologies.common.serialization.types.OLongSerializer;
import com.orientechnologies.orient.core.db.ODatabaseDocumentInternal;
import com.orientechnologies.orient.core.db.ODatabaseRecordThreadLocal;
import com.orientechnologies.orient.core.db.record.OIdentifiable;
import com.orientechnologies.orient.core.serialization.serializer.binary.impl.OLinkSerializer;
import com.orientechnologies.orient.core.storage.impl.local.OAbstractPaginatedStorage;
import com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OWALChanges;
import com.orientechnologies.orient.core.storage.index.sbtreebonsai.local.OBonsaiBucketPointer;
import com.orientechnologies.orient.core.storage.ridbag.sbtree.OIndexRIDContainer;
import com.orientechnologies.orient.core.storage.ridbag.sbtree.OIndexRIDContainerSBTree;
import java.nio.ByteBuffer;
import java.util.HashSet;
import java.util.Set;
public class OStreamSerializerSBTreeIndexRIDContainer
implements OBinarySerializer {
public static final OStreamSerializerSBTreeIndexRIDContainer INSTANCE =
new OStreamSerializerSBTreeIndexRIDContainer();
public static final byte ID = 21;
public static final int FILE_ID_OFFSET = 0;
public static final int EMBEDDED_OFFSET = FILE_ID_OFFSET + OLongSerializer.LONG_SIZE;
public static final int DURABLE_OFFSET = EMBEDDED_OFFSET + OBooleanSerializer.BOOLEAN_SIZE;
public static final int SBTREE_ROOTINDEX_OFFSET =
DURABLE_OFFSET + OBooleanSerializer.BOOLEAN_SIZE;
public static final int SBTREE_ROOTOFFSET_OFFSET =
SBTREE_ROOTINDEX_OFFSET + OLongSerializer.LONG_SIZE;
public static final int EMBEDDED_SIZE_OFFSET = DURABLE_OFFSET + OBooleanSerializer.BOOLEAN_SIZE;
public static final int EMBEDDED_VALUES_OFFSET =
EMBEDDED_SIZE_OFFSET + OIntegerSerializer.INT_SIZE;
public static final OLongSerializer LONG_SERIALIZER = OLongSerializer.INSTANCE;
public static final OBooleanSerializer BOOLEAN_SERIALIZER = OBooleanSerializer.INSTANCE;
public static final OIntegerSerializer INT_SERIALIZER = OIntegerSerializer.INSTANCE;
public static final int SBTREE_CONTAINER_SIZE =
2 * OBooleanSerializer.BOOLEAN_SIZE
+ 2 * OLongSerializer.LONG_SIZE
+ OIntegerSerializer.INT_SIZE;
public static final OLinkSerializer LINK_SERIALIZER = OLinkSerializer.INSTANCE;
@Override
public int getObjectSize(OIndexRIDContainer object, Object... hints) {
if (object.isEmbedded()) {
return embeddedObjectSerializedSize(object.size());
} else {
return SBTREE_CONTAINER_SIZE;
}
}
@Override
public int getObjectSize(byte[] stream, int startPosition) {
throw new UnsupportedOperationException("not implemented yet");
}
@Override
public void serialize(
OIndexRIDContainer object, byte[] stream, int startPosition, Object... hints) {
throw new UnsupportedOperationException("not implemented yet");
}
@Override
public OIndexRIDContainer deserialize(byte[] stream, int startPosition) {
throw new UnsupportedOperationException("not implemented yet");
}
@Override
public byte getId() {
return ID;
}
@Override
public boolean isFixedLength() {
return false;
}
@Override
public int getFixedLength() {
throw new UnsupportedOperationException("Length is not fixed");
}
@Override
public void serializeNativeObject(
OIndexRIDContainer object, byte[] stream, int offset, Object... hints) {
LONG_SERIALIZER.serializeNative(object.getFileId(), stream, offset + FILE_ID_OFFSET);
final boolean embedded = object.isEmbedded();
final boolean durable = object.isDurableNonTxMode();
BOOLEAN_SERIALIZER.serializeNative(embedded, stream, offset + EMBEDDED_OFFSET);
BOOLEAN_SERIALIZER.serializeNative(durable, stream, offset + DURABLE_OFFSET);
if (embedded) {
INT_SERIALIZER.serializeNative(object.size(), stream, offset + EMBEDDED_SIZE_OFFSET);
int p = offset + EMBEDDED_VALUES_OFFSET;
for (OIdentifiable ids : object) {
LINK_SERIALIZER.serializeNativeObject(ids, stream, p);
p += RID_SIZE;
}
} else {
final OIndexRIDContainerSBTree underlying = (OIndexRIDContainerSBTree) object.getUnderlying();
final OBonsaiBucketPointer rootPointer = underlying.getRootPointer();
LONG_SERIALIZER.serializeNative(
rootPointer.getPageIndex(), stream, offset + SBTREE_ROOTINDEX_OFFSET);
INT_SERIALIZER.serializeNative(
rootPointer.getPageOffset(), stream, offset + SBTREE_ROOTOFFSET_OFFSET);
}
}
@Override
public OIndexRIDContainer deserializeNativeObject(byte[] stream, int offset) {
final long fileId = LONG_SERIALIZER.deserializeNative(stream, offset + FILE_ID_OFFSET);
final boolean durable = BOOLEAN_SERIALIZER.deserializeNative(stream, offset + DURABLE_OFFSET);
if (BOOLEAN_SERIALIZER.deserializeNative(stream, offset + EMBEDDED_OFFSET)) {
final int size = INT_SERIALIZER.deserializeNative(stream, offset + EMBEDDED_SIZE_OFFSET);
final Set underlying =
new HashSet(Math.max((int) (size / .75f) + 1, 16));
int p = offset + EMBEDDED_VALUES_OFFSET;
for (int i = 0; i < size; i++) {
underlying.add(LINK_SERIALIZER.deserializeNativeObject(stream, p));
p += RID_SIZE;
}
return new OIndexRIDContainer(fileId, underlying, durable);
} else {
final long pageIndex =
LONG_SERIALIZER.deserializeNative(stream, offset + SBTREE_ROOTINDEX_OFFSET);
final int pageOffset =
INT_SERIALIZER.deserializeNative(stream, offset + SBTREE_ROOTOFFSET_OFFSET);
final OBonsaiBucketPointer rootPointer = new OBonsaiBucketPointer(pageIndex, pageOffset);
final ODatabaseDocumentInternal db = ODatabaseRecordThreadLocal.instance().get();
final OIndexRIDContainerSBTree underlying =
new OIndexRIDContainerSBTree(
fileId, rootPointer, (OAbstractPaginatedStorage) db.getStorage());
return new OIndexRIDContainer(fileId, underlying, durable);
}
}
@Override
public int getObjectSizeNative(byte[] stream, int startPosition) {
throw new UnsupportedOperationException("not implemented yet");
}
@Override
public OIndexRIDContainer preprocess(OIndexRIDContainer value, Object... hints) {
return value;
}
private int embeddedObjectSerializedSize(int size) {
return OLongSerializer.LONG_SIZE
+ 2 * OBooleanSerializer.BOOLEAN_SIZE
+ OIntegerSerializer.INT_SIZE
+ size * RID_SIZE;
}
/** {@inheritDoc} */
@Override
public void serializeInByteBufferObject(
OIndexRIDContainer object, ByteBuffer buffer, Object... hints) {
buffer.putLong(object.getFileId());
final boolean embedded = object.isEmbedded();
final boolean durable = object.isDurableNonTxMode();
buffer.put((byte) (embedded ? 1 : 0));
buffer.put((byte) (durable ? 1 : 0));
if (embedded) {
buffer.putInt(object.size());
for (OIdentifiable ids : object) {
LINK_SERIALIZER.serializeInByteBufferObject(ids, buffer);
}
} else {
final OIndexRIDContainerSBTree underlying = (OIndexRIDContainerSBTree) object.getUnderlying();
final OBonsaiBucketPointer rootPointer = underlying.getRootPointer();
buffer.putLong(rootPointer.getPageIndex());
buffer.putInt(rootPointer.getPageOffset());
}
}
/** {@inheritDoc} */
@Override
public OIndexRIDContainer deserializeFromByteBufferObject(ByteBuffer buffer) {
final long fileId = buffer.getLong();
final boolean embedded = buffer.get() > 0;
final boolean durable = buffer.get() > 0;
if (embedded) {
final int size = buffer.getInt();
final Set underlying =
new HashSet(Math.max((int) (size / .75f) + 1, 16));
for (int i = 0; i < size; i++) {
underlying.add(LINK_SERIALIZER.deserializeFromByteBufferObject(buffer));
}
return new OIndexRIDContainer(fileId, underlying, durable);
} else {
final long pageIndex = buffer.getLong();
final int pageOffset = buffer.getInt();
final OBonsaiBucketPointer rootPointer = new OBonsaiBucketPointer(pageIndex, pageOffset);
final ODatabaseDocumentInternal db = ODatabaseRecordThreadLocal.instance().get();
final OIndexRIDContainerSBTree underlying =
new OIndexRIDContainerSBTree(
fileId, rootPointer, (OAbstractPaginatedStorage) db.getStorage());
return new OIndexRIDContainer(fileId, underlying, durable);
}
}
/** {@inheritDoc} */
@Override
public int getObjectSizeInByteBuffer(ByteBuffer buffer) {
final int offset = buffer.position();
buffer.position();
if (buffer.get(offset + EMBEDDED_OFFSET) > 0) {
return embeddedObjectSerializedSize(buffer.getInt(offset + EMBEDDED_SIZE_OFFSET));
} else {
return SBTREE_CONTAINER_SIZE;
}
}
/** {@inheritDoc} */
@Override
public OIndexRIDContainer deserializeFromByteBufferObject(
ByteBuffer buffer, OWALChanges walChanges, int offset) {
final long fileId = walChanges.getLongValue(buffer, offset + FILE_ID_OFFSET);
final boolean durable = walChanges.getByteValue(buffer, offset + DURABLE_OFFSET) > 0;
if (walChanges.getByteValue(buffer, offset + EMBEDDED_OFFSET) > 0) {
final int size = walChanges.getIntValue(buffer, offset + EMBEDDED_SIZE_OFFSET);
final Set underlying =
new HashSet(Math.max((int) (size / .75f) + 1, 16));
int p = offset + EMBEDDED_VALUES_OFFSET;
for (int i = 0; i < size; i++) {
underlying.add(LINK_SERIALIZER.deserializeFromByteBufferObject(buffer, walChanges, p));
p += RID_SIZE;
}
return new OIndexRIDContainer(fileId, underlying, durable);
} else {
final long pageIndex = walChanges.getLongValue(buffer, offset + SBTREE_ROOTINDEX_OFFSET);
final int pageOffset = walChanges.getIntValue(buffer, offset + SBTREE_ROOTOFFSET_OFFSET);
final OBonsaiBucketPointer rootPointer = new OBonsaiBucketPointer(pageIndex, pageOffset);
final ODatabaseDocumentInternal db = ODatabaseRecordThreadLocal.instance().get();
final OIndexRIDContainerSBTree underlying =
new OIndexRIDContainerSBTree(
fileId, rootPointer, (OAbstractPaginatedStorage) db.getStorage());
return new OIndexRIDContainer(fileId, underlying, durable);
}
}
/** {@inheritDoc} */
@Override
public int getObjectSizeInByteBuffer(ByteBuffer buffer, OWALChanges walChanges, int offset) {
if (walChanges.getByteValue(buffer, offset + EMBEDDED_OFFSET) > 0) {
return embeddedObjectSerializedSize(
walChanges.getIntValue(buffer, offset + EMBEDDED_SIZE_OFFSET));
} else {
return SBTREE_CONTAINER_SIZE;
}
}
}
