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package org.glassfish.api.admin;
import java.lang.annotation.*;
/**
* Annotation to qualify when an action like a command is targeted to be run
* on a cluster or a set of instances.
*
* Some actions may run only on DAS, or only on instances, by default they run
* on both the DAS and the instances.
*
* @author Jerome Dochez
*/
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Target(ElementType.TYPE)
public @interface ExecuteOn {
/**
* Returns an array of process types on which the annotated action should run
*
* @return array of target process types
*/
RuntimeType[] value() default { RuntimeType.DAS, RuntimeType.INSTANCE};
/**
* Identifies the {@link ClusterExecutor} that is responsible for remotely executing
* commands on the target clusters or instances. The provider will be looked up
* in the habitat by its type.
*
* @return a {@link ClusterExecutor} type or null to use the default executor that takes the
* "target" command parameter to
*/
Class executor() default TargetBasedExecutor.class;
/**
* Identifies the expected behaviour from the framework if any of the clustered
* invocation could not be invoked because the remote server was offline.
*
* @return the action the framework should perform if any of the remote invocation
* of this command cannot be executed due to the server being offline.
*/
FailurePolicy ifOffline() default FailurePolicy.Warn;
/**
* Identifies the expected behavior from the framework if any of the clustered
* invocation could not be invoked because the remote server has never been
* started.
*
* @return the action the framework should perform if any of the remote invocation
* of this command cannot be executed due to the server being offline.
*/
FailurePolicy ifNeverStarted() default FailurePolicy.Ignore;
/**
* Identifies the expected behavior from the framework if any of the clustered
* invocation failed.
*
* @return the action the framework should perform if any of the remote invocation
* of this command fails.
*/
FailurePolicy ifFailure() default FailurePolicy.Error;
}