FreezeTransactionService.java

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 * obtain a copy of the License at
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// Portions Copyright [2016] [Payara Foundation]

package org.glassfish.jta.admin.cli;

import com.sun.enterprise.config.serverbeans.Cluster;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.transaction.api.JavaEETransactionManager;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.logging.LogDomains;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import javax.inject.Inject;
import org.jvnet.hk2.annotations.Service;

import org.glassfish.hk2.api.PerLookup;

import java.util.logging.Logger;
import java.util.logging.Level;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.FailurePolicy;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.api.admin.RestParam;
import org.glassfish.api.admin.RuntimeType;


@Service(name = "freeze-transaction-service")
@TargetType({CommandTarget.DAS, CommandTarget.STANDALONE_INSTANCE, CommandTarget.CLUSTER, CommandTarget.CLUSTERED_INSTANCE, CommandTarget.CONFIG})
@ExecuteOn(value = {RuntimeType.INSTANCE}, ifNeverStarted=FailurePolicy.Error)
@PerLookup
@I18n("freeze.transaction.service")
@RestEndpoints({
    @RestEndpoint(configBean=Cluster.class,
        opType=RestEndpoint.OpType.POST,
        path="freeze-transaction-service",
        description="Freeze Transaction Service",
        params={
            @RestParam(name="target", value="$parent")
        }),
    @RestEndpoint(configBean=Server.class,
        opType=RestEndpoint.OpType.POST,
        path="freeze-transaction-service",
        description="Freeze Transaction Service",
        params={
            @RestParam(name="target", value="$parent")
        }),
    @RestEndpoint(configBean=Domain.class,
        opType=RestEndpoint.OpType.POST,
        path="freeze-transaction-service",
        description="Freeze Transaction Service")
})
public class FreezeTransactionService implements AdminCommand {

    private static StringManager localStrings =
            StringManager.getManager(FreezeTransactionService.class);

    private static final Logger logger =
            LogDomains.getLogger(FreezeTransactionService.class, LogDomains.JTA_LOGGER, false);

    @Param(optional = true)
    String target = SystemPropertyConstants.DEFAULT_SERVER_INSTANCE_NAME;

    @Inject
    JavaEETransactionManager transactionMgr;

    /**
     * Executes the command
     *
     * @param context information
     */
    public void execute(AdminCommandContext context) {
        final ActionReport report = context.getActionReport();

        try {
            if (transactionMgr.isFrozen()) {
                if (logger.isLoggable(Level.INFO)) {
                    logger.info("Transaction is already frozen.");
                }
                return;
            } else {
                transactionMgr.freeze();
            }
            report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
        } catch (Exception e) {
            report.setMessage(localStrings.getString("freeze.transaction.service.failed"));
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            report.setFailureCause(e);
        }
    }
}