/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.spi.checkpoint.noop;
import org.apache.ignite.IgniteLogger;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.resources.LoggerResource;
import org.apache.ignite.spi.IgniteSpiAdapter;
import org.apache.ignite.spi.IgniteSpiException;
import org.apache.ignite.spi.IgniteSpiMultipleInstancesSupport;
import org.apache.ignite.spi.IgniteSpiNoop;
import org.apache.ignite.spi.checkpoint.CheckpointListener;
import org.apache.ignite.spi.checkpoint.CheckpointSpi;
import org.jetbrains.annotations.Nullable;
/**
* No-op implementation of {@link org.apache.ignite.spi.checkpoint.CheckpointSpi}. This is default implementation
* since {@code 4.5.0} version.
*/
@IgniteSpiNoop
@IgniteSpiMultipleInstancesSupport(true)
public class NoopCheckpointSpi extends IgniteSpiAdapter implements CheckpointSpi {
/** Logger. */
@LoggerResource
private IgniteLogger log;
/** {@inheritDoc} */
@Override public void spiStart(@Nullable String igniteInstanceName) throws IgniteSpiException {
U.warn(log, "Checkpoints are disabled (to enable configure any GridCheckpointSpi implementation)");
}
/** {@inheritDoc} */
@Override public void spiStop() throws IgniteSpiException {
// No-op.
}
/** {@inheritDoc} */
@Nullable @Override public byte[] loadCheckpoint(String key) throws IgniteSpiException {
return null;
}
/** {@inheritDoc} */
@Override public boolean saveCheckpoint(String key, byte[] state, long timeout, boolean overwrite) {
return false;
}
/** {@inheritDoc} */
@Override public boolean removeCheckpoint(String key) {
return false;
}
/** {@inheritDoc} */
@Override public void setCheckpointListener(CheckpointListener lsnr) {
// No-op.
}
/** {@inheritDoc} */
@Override public NoopCheckpointSpi setName(String name) {
super.setName(name);
return this;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(NoopCheckpointSpi.class, this);
}
}