org.glassfish.ejb.admin.cli.ListTimers Maven / Gradle / Ivy
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// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package org.glassfish.ejb.admin.cli;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.SystemPropertyConstants;
import java.util.List;
import com.sun.ejb.containers.EJBTimerService;
import com.sun.ejb.containers.EjbContainerUtil;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import static java.util.Objects.nonNull;
import java.util.Properties;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.CommandLock;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import org.glassfish.internal.api.Target;
import jakarta.inject.Inject;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PerLookup;
@Service(name="list-timers")
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@I18n("list.timers")
@ExecuteOn(value={RuntimeType.DAS})
@TargetType(value={CommandTarget.DAS, CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER, CommandTarget.DEPLOYMENT_GROUP})
@RestEndpoints({
@RestEndpoint(configBean=Domain.class,
opType=RestEndpoint.OpType.GET,
path="list-timers",
description="List Timers")
})
public class ListTimers implements AdminCommand {
final private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(ListTimers.class);
@Param(primary=true, optional=true,
defaultValue=SystemPropertyConstants.DEFAULT_SERVER_INSTANCE_NAME)
String target;
@Inject
private EjbContainerUtil ejbContainerUtil;
@Inject
Target targetUtil;
/**
* Executes the command
*
* @param context information
*/
@Override
public void execute(AdminCommandContext context) {
final ActionReport report = context.getActionReport();
String[] serverIds = null;
if(targetUtil.isCluster(target) || targetUtil.isDeploymentGroup(target)) {
List serversInCluster = targetUtil.getInstances(target);
serverIds = new String[serversInCluster.size()];
for(int i = 0; i < serverIds.length; i++) {
serverIds[i] = serversInCluster.get(i).getName();
}
} else {
serverIds = new String[] {target};
}
try {
String[] timerCounts = listTimers(serverIds);
ActionReport actionReport = context.getActionReport();
Properties extraProperties = actionReport.getExtraProperties();
if (extraProperties == null) {
extraProperties = new Properties();
actionReport.setExtraProperties(extraProperties);
}
List> property = new LinkedList<>();
extraProperties.put("ejbTimers", property);
for (int i = 0; i < serverIds.length; i++) {
final ActionReport.MessagePart part = report.getTopMessagePart().addChild();
part.setMessage(serverIds[i] + ": " + timerCounts[i]);
HashMap values = new HashMap<>();
values.put("server", serverIds[i]);
values.put("timerCount", timerCounts[i]);
property.add(values);
}
report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
} catch (Exception e) {
report.setMessage(localStrings.getLocalString("list.timers.failed",
"List Timers command failed"));
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setFailureCause(e);
}
}
private String[] listTimers(String[] serverIds) {
String[] result;
EJBTimerService ejbTimerService = null;
if (EJBTimerService.isPersistentTimerServiceLoaded()) {
ejbTimerService = EJBTimerService.getPersistentTimerService();
} else if (EJBTimerService.isNonPersistentTimerServiceLoaded()) {
ejbTimerService = EJBTimerService.getNonPersistentTimerService();
}
if (nonNull(ejbTimerService)) {
result = ejbTimerService.listTimers(serverIds);
} else {
result = new String[serverIds.length];
Arrays.fill(result, "0");
}
return result;
}
}