/*
*
* * Copyright 2014 Orient Technologies LTD (info(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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.core.storage.impl.local.paginated.wal;
import com.orientechnologies.common.serialization.types.OLongSerializer;
/**
* @author Andrey Lomakin
* @since 29.04.13
*/
public abstract class OAbstractPageWALRecord extends OOperationUnitBodyRecord {
private long pageIndex;
private long fileId;
protected OAbstractPageWALRecord() {
}
protected OAbstractPageWALRecord(long pageIndex, long fileId, OOperationUnitId operationUnitId) {
super(operationUnitId);
this.pageIndex = pageIndex;
this.fileId = fileId;
}
@Override
public int toStream(byte[] content, int offset) {
offset = super.toStream(content, offset);
OLongSerializer.INSTANCE.serializeNative(pageIndex, content, offset);
offset += OLongSerializer.LONG_SIZE;
OLongSerializer.INSTANCE.serializeNative(fileId, content, offset);
offset += OLongSerializer.LONG_SIZE;
return offset;
}
@Override
public int fromStream(byte[] content, int offset) {
offset = super.fromStream(content, offset);
pageIndex = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
fileId = OLongSerializer.INSTANCE.deserializeNative(content, offset);
offset += OLongSerializer.LONG_SIZE;
return offset;
}
@Override
public int serializedSize() {
return super.serializedSize() + 2 * OLongSerializer.LONG_SIZE;
}
public long getPageIndex() {
return pageIndex;
}
public long getFileId() {
return fileId;
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
if (!super.equals(o))
return false;
OAbstractPageWALRecord that = (OAbstractPageWALRecord) o;
if (fileId != that.fileId)
return false;
if (pageIndex != that.pageIndex)
return false;
if (lsn != null ? !lsn.equals(that.lsn) : that.lsn != null)
return false;
return true;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (lsn != null ? lsn.hashCode() : 0);
result = 31 * result + (int) (pageIndex ^ (pageIndex >>> 32));
result = 31 * result + (int) (fileId ^ (fileId >>> 32));
return result;
}
@Override
public String toString() {
return toString("pageIndex=" + pageIndex + ", fileId=" + fileId);
}
}