/*
* 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.internal.visor.cache;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import org.apache.ignite.cache.eviction.EvictionPolicy;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.internal.visor.VisorDataTransferObject;
import org.jetbrains.annotations.Nullable;
import static org.apache.ignite.internal.visor.util.VisorTaskUtils.compactClass;
import static org.apache.ignite.internal.visor.util.VisorTaskUtils.evictionPolicyMaxSize;
/**
* Data transfer object for eviction configuration properties.
*/
public class VisorCacheEvictionConfiguration extends VisorDataTransferObject {
/** */
private static final long serialVersionUID = 0L;
/** Eviction policy. */
private String plc;
/** Cache eviction policy max size. */
private Integer plcMaxSize;
/** Eviction filter to specify which entries should not be evicted. */
private String filter;
/**
* Default constructor.
*/
public VisorCacheEvictionConfiguration() {
// No-op.
}
/**
* Create data transfer object for eviction configuration properties.
* @param ccfg Cache configuration.
*/
public VisorCacheEvictionConfiguration(CacheConfiguration ccfg) {
final EvictionPolicy evictionPlc = ccfg.getEvictionPolicy();
plc = compactClass(evictionPlc);
plcMaxSize = evictionPolicyMaxSize(evictionPlc);
filter = compactClass(ccfg.getEvictionFilter());
}
/**
* @return Eviction policy.
*/
@Nullable public String getPolicy() {
return plc;
}
/**
* @return Cache eviction policy max size.
*/
@Nullable public Integer getPolicyMaxSize() {
return plcMaxSize;
}
/**
* @return Eviction filter to specify which entries should not be evicted.
*/
@Nullable public String getFilter() {
return filter;
}
/** {@inheritDoc} */
@Override protected void writeExternalData(ObjectOutput out) throws IOException {
U.writeString(out, plc);
out.writeObject(plcMaxSize);
U.writeString(out, filter);
}
/** {@inheritDoc} */
@Override protected void readExternalData(byte protoVer, ObjectInput in) throws IOException, ClassNotFoundException {
plc = U.readString(in);
plcMaxSize = (Integer)in.readObject();
filter = U.readString(in);
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(VisorCacheEvictionConfiguration.class, this);
}
}