/*
* Copyright 2016 the original author or authors.
*
* 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.
*/
package org.gradle.launcher.daemon.server.health;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import org.gradle.launcher.daemon.server.expiry.DaemonExpirationResult;
import org.gradle.launcher.daemon.server.expiry.DaemonExpirationStrategy;
import static org.gradle.launcher.daemon.server.expiry.DaemonExpirationStatus.GRACEFUL_EXPIRE;
public class LowPermGenDaemonExpirationStrategy implements DaemonExpirationStrategy {
private final DaemonMemoryStatus status;
private static final Logger LOG = Logging.getLogger(LowPermGenDaemonExpirationStrategy.class);
public static final String EXPIRATION_REASON = "after running out of JVM memory";
public LowPermGenDaemonExpirationStrategy(DaemonMemoryStatus status) {
this.status = status;
}
@Override
public DaemonExpirationResult checkExpiration() {
if (status.isPermGenSpaceExhausted()) {
LOG.info("Expiring Daemon due to JVM PermGen space being exhausted");
return new DaemonExpirationResult(GRACEFUL_EXPIRE, EXPIRATION_REASON);
} else {
return DaemonExpirationResult.NOT_TRIGGERED;
}
}
}