jetbrains.exodus.log.NullLoggable 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 final class NullLoggable extends RandomAccessLoggableImpl {
public static final byte TYPE = 0;
private static final NullLoggable PROTOTYPE = new NullLoggable(Loggable.NULL_ADDRESS);
NullLoggable(final long address) {
super(address, TYPE, ByteIterableWithAddress.getEmpty(address + 1), 0, NO_STRUCTURE_ID);
}
public static NullLoggable create() {
return PROTOTYPE;
}
@Override
public long getAddress() {
return Loggable.NULL_ADDRESS;
}
public static boolean isNullLoggable(final byte type) {
return type == TYPE;
}
public static boolean isNullLoggable(@NotNull final Loggable loggable) {
return isNullLoggable(loggable.getType());
}
}