package org.jboss.as.connector.subsystems.datasources;
import org.jboss.as.connector.dynamicresource.descriptionproviders.StatisticsDescriptionProvider;
import org.jboss.as.connector.subsystems.common.pool.PoolMetrics;
import org.jboss.as.connector.dynamicresource.operations.ClearStatisticsHandler;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.PlaceholderResource;
import org.jboss.as.controller.registry.Resource;
import org.jboss.jca.core.spi.statistics.StatisticsPlugin;
import org.jboss.jca.deployers.common.CommonDeployment;
import org.jboss.msc.service.AbstractServiceListener;
import org.jboss.msc.service.ServiceController;
/**
*
* Listener that registers data source statistics with the management model
*
*/
public class DataSourceStatisticsListener extends AbstractServiceListener<Object> {
private static final PathElement JDBC_STATISTICS = PathElement.pathElement("statistics", "jdbc");
private static final PathElement POOL_STATISTICS = PathElement.pathElement("statistics", "pool");
private final ManagementResourceRegistration registration;
private final Resource resource;
private final String dsName;
public DataSourceStatisticsListener(final ManagementResourceRegistration registration, Resource resource, final String dsName) {
this.registration = registration;
this.resource = resource;
this.dsName = dsName;
}
public void transition(final ServiceController<? extends Object> controller,
final ServiceController.Transition transition) {
switch (transition) {
case STARTING_to_UP: {
CommonDeployment deploymentMD = ((AbstractDataSourceService) controller.getService()).getDeploymentMD();
StatisticsPlugin jdbcStats = deploymentMD.getDataSources()[0].getStatistics();
StatisticsPlugin poolStats = deploymentMD.getDataSources()[0].getPool().getStatistics();
int jdbcStatsSize = jdbcStats.getNames().size();
int poolStatsSize = poolStats.getNames().size();
if (jdbcStatsSize > 0 || poolStatsSize > 0) {
ManagementResourceRegistration subRegistration = registration.isAllowsOverride() ? registration.registerOverrideModel(dsName, DataSourcesSubsystemProviders.OVERRIDE_DS_DESC) : registration;
if (jdbcStatsSize > 0) {
ManagementResourceRegistration jdbcRegistration = subRegistration.registerSubModel(JDBC_STATISTICS, new StatisticsDescriptionProvider(DataSourcesSubsystemProviders.RESOURCE_NAME, "statistics", jdbcStats));
jdbcRegistration.setRuntimeOnly(true);
jdbcRegistration.registerOperationHandler("clear-statistics", new ClearStatisticsHandler(jdbcStats), DataSourcesSubsystemProviders.CLEAR_STATISTICS_DESC, false);
for (String statName : jdbcStats.getNames()) {
jdbcRegistration.registerMetric(statName, new PoolMetrics.ParametrizedPoolMetricsHandler(jdbcStats));
}
resource.registerChild(JDBC_STATISTICS, new PlaceholderResource.PlaceholderResourceEntry(JDBC_STATISTICS));
}
if (poolStatsSize > 0) {
ManagementResourceRegistration poolRegistration = subRegistration.registerSubModel(POOL_STATISTICS, new StatisticsDescriptionProvider(DataSourcesSubsystemProviders.RESOURCE_NAME, "statistics", poolStats));
poolRegistration.setRuntimeOnly(true);
poolRegistration.registerOperationHandler("clear-statistics", new ClearStatisticsHandler(poolStats), DataSourcesSubsystemProviders.CLEAR_STATISTICS_DESC, false);
for (String statName : poolStats.getNames()) {
poolRegistration.registerMetric(statName, new PoolMetrics.ParametrizedPoolMetricsHandler(poolStats));
}
resource.registerChild(POOL_STATISTICS, new PlaceholderResource.PlaceholderResourceEntry(JDBC_STATISTICS));
}
}
break;
}
case UP_to_STOP_REQUESTED: {
ManagementResourceRegistration subRegistration = registration.getOverrideModel(dsName);
if (subRegistration != null) {
subRegistration.unregisterSubModel(JDBC_STATISTICS);
subRegistration.unregisterSubModel(POOL_STATISTICS);
registration.unregisterOverrideModel(dsName);
}
if (resource.hasChild(JDBC_STATISTICS)) {
resource.removeChild(JDBC_STATISTICS);
}
if (resource.hasChild(POOL_STATISTICS)) {
resource.removeChild(POOL_STATISTICS);
}
break;
}
}
}
}