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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.utils.time;
import java.util.concurrent.Future;
import lombok.AccessLevel;
import lombok.Getter;
import org.onap.policy.common.utils.time.TestTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Work item that may be run/executed.
*/
class RunnableItem extends WorkItem {
private static final Logger logger = LoggerFactory.getLogger(RunnableItem.class);
/**
* Object with which this item is associated.
*/
@Getter(AccessLevel.PROTECTED)
private final Object associate;
/**
* Action to execute.
*/
@Getter(AccessLevel.PROTECTED)
private final Runnable action;
/**
* Constructs the object.
*
* @param currentTime time with which this item is associated
* @param associate object with which this item is associated (e.g., Timer)
* @param delayMs time, in milliseconds, before this item should be executed
* @param action action to be performed
*/
public RunnableItem(TestTime currentTime, Object associate, long delayMs, Runnable action) {
super(currentTime, delayMs);
this.associate = associate;
this.action = action;
// ensure the task can properly compute its delay
if (action instanceof PseudoScheduledFuture) {
((PseudoScheduledFuture<?>) action).setWorkItem(this);
}
}
@Override
public boolean isAssociatedWith(Object associate) {
return (this.associate == associate);
}
@Override
public boolean wasCancelled() {
return (action instanceof Future && ((Future<?>) action).isCancelled());
}
@Override
public void fire() {
try {
action.run();
} catch (RuntimeException e) {
logger.warn("work item {} threw an exception {}", this, e);
}
}
@Override
public String toString() {
return "RunnableItem [nextMs=" + getNextMs() + ", associate=" + associate + "]";
}
}
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