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[New] Added ExecutionPolicy.delayToExecutedBy() and delayToExecutedByRandom()

This commit is contained in:
Robert von Burg 2020-02-20 18:00:15 +01:00
parent c90f698e87
commit eebdc963f3
2 changed files with 89 additions and 2 deletions
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57
li.strolch.service/src/main/java/li/strolch/execution/policy/ExecutionPolicy.java
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@ -1,5 +1,11 @@
package li.strolch.execution.policy;
import static li.strolch.utils.helper.StringHelper.formatMillisecondsDuration;
import java.time.Duration;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import li.strolch.agent.api.ComponentContainer;
import li.strolch.agent.api.StrolchRealm;
import li.strolch.exception.StrolchException;
@ -165,7 +171,9 @@ public abstract class ExecutionPolicy extends StrolchPolicy {
}
}
protected abstract void handleStopped();
protected void handleStopped() {
getDelayedExecutionTimer().cancel(this.actionLoc);
}
protected void setActionState(Action action, State state) {
@ -182,11 +190,56 @@ public abstract class ExecutionPolicy extends StrolchPolicy {
logger.info(msg);
}
/**
* Method to delay toExecuted() call for this action by the given duration
*
* @param duration
* the delay duration
*/
protected void delayToExecutedBy(Duration duration) {
String realmName = tx().getRealmName();
long delayMs = duration.toMillis();
if (delayMs < 20) {
logger.warn("Delay time for " + this.actionLoc + " is less than 20ms, overriding!");
delayMs = 20;
}
logger.info("Delaying toExecuted of " + this.actionLoc + " by " + formatMillisecondsDuration(delayMs));
getDelayedExecutionTimer().execute(realmName, getContainer(), this.actionLoc, delayMs);
}
protected void delayToExecutedByRandom(long duration, double minFactor, double maxFactor, TimeUnit delayUnit) {
delayToExecutedByRandom((long) (duration * minFactor), (long) (duration * maxFactor), delayUnit);
}
protected void delayToExecutedByRandom(long min, long max, TimeUnit delayUnit) {
long delay = ThreadLocalRandom.current().nextLong(min, max + 1);
delayToExecutedBy(delay, delayUnit);
}
/**
* Method to delay toExecuted() call for this action by the given amount
*
* @param delay
* the delay time
* @param delayUnit
* the UOM of the delay time
*/
protected void delayToExecutedBy(long delay, TimeUnit delayUnit) {
String realmName = tx().getRealmName();
long delayMs = delayUnit.toMillis(delay);
if (delayMs < 20) {
logger.warn("Delay time for " + this.actionLoc + " is less than 20ms, overriding!");
delayMs = 20;
}
logger.info("Delaying toExecuted of " + this.actionLoc + " by " + formatMillisecondsDuration(delayMs));
getDelayedExecutionTimer().execute(realmName, getContainer(), this.actionLoc, delayMs);
}
/**
* @return the {@link DelayedExecutionTimer} to simplify the delayed execution of an {@link Action}, e.g. for
* simulated execution or simple wait tasks
*/
protected DelayedExecutionTimer getDelayedExecutionTimer() {
private DelayedExecutionTimer getDelayedExecutionTimer() {
return getComponent(ExecutionHandler.class).getDelayedExecutionTimer();
}

34
li.strolch.service/src/main/java/li/strolch/execution/policy/RandomDurationExecution.java Normal file
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@ -0,0 +1,34 @@
package li.strolch.execution.policy;
import static li.strolch.runtime.StrolchConstants.PolicyConstants.BAG_OBJECTIVES;
import static li.strolch.runtime.StrolchConstants.PolicyConstants.PARAM_DURATION;
import java.util.concurrent.TimeUnit;
import li.strolch.model.activity.Action;
import li.strolch.model.parameter.DurationParameter;
import li.strolch.persistence.api.StrolchTransaction;
/**
* <p>
* Simple Execution Policy which starts the execution immediately, i.e. set state to in execution and completes after
* the {@link Action Action's} duration has passed.
* </p>
*
* @author Robert von Burg <eitch@eitchnet.ch>
*/
public class RandomDurationExecution extends SimpleExecution {
public RandomDurationExecution(StrolchTransaction tx) {
super(tx);
}
@Override
public void toExecution(Action action) {
DurationParameter durationP = action.findParameter(BAG_OBJECTIVES, PARAM_DURATION, true);
delayToExecutedByRandom(durationP.toMillis(), 0.5, 2, TimeUnit.MILLISECONDS);
super.toExecution(action);
}
}