jetbrains.exodus.log.RandomAccessLoggableImpl Maven / Gradle / Ivy
/**
* Copyright 2010 - 2022 JetBrains s.r.o.
*
* 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
*
* https://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 jetbrains.exodus.log;
import org.jetbrains.annotations.NotNull;
public class RandomAccessLoggableImpl implements RandomAccessLoggable {
private final byte type;
private final byte headerLength;
private final int length;
@NotNull
private final ByteIterableWithAddress data;
private final int structureId;
public RandomAccessLoggableImpl(final long address,
final byte type,
@NotNull final ByteIterableWithAddress data,
final int dataLength,
final int structureId) {
this.type = type;
this.headerLength = (byte) (data.getDataAddress() - address);
this.length = dataLength + headerLength;
this.data = data;
this.structureId = structureId;
}
@Override
public long getAddress() {
return data.getDataAddress() - headerLength;
}
@Override
public byte getType() {
return type;
}
@Override
public int length() {
return length;
}
@NotNull
@Override
public ByteIterableWithAddress getData() {
return data;
}
public int getDataLength() {
return length - headerLength;
}
@Override
public int getStructureId() {
return structureId;
}
}