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// Portions Copyright [2016-2018] [Payara Foundation and/or its affiliates]
package org.glassfish.ejb.security.application;

import org.glassfish.external.probe.provider.annotations.ProbeListener;
import org.glassfish.external.probe.provider.annotations.ProbeParam;
import org.glassfish.external.statistics.CountStatistic;
import org.glassfish.external.statistics.impl.CountStatisticImpl;
import org.glassfish.gmbal.AMXMetadata;
import org.glassfish.gmbal.Description;
import org.glassfish.gmbal.ManagedAttribute;
import org.glassfish.gmbal.ManagedObject;

/**
 *
 * @author nithyasubramanian
 */
@AMXMetadata(type = "ejb-security-mon", group = "monitoring", isSingleton = false)
@ManagedObject
@Description("Ejb Security Deployment statistics")
public class EjbSecurityStatsProvider {

    CountStatisticImpl ejbSMCount = new CountStatisticImpl("SecurityManagerCount", "count", "Count of EJB Security managers");
    CountStatisticImpl ejbPCCount = new CountStatisticImpl("PolicyConfigurationCount", "count", "Count of Policy Configuration");

    @ManagedAttribute(id = "securitymanagercount")
    public CountStatistic getSecurityManagerCount() {
        return ejbSMCount;
    }

    @ManagedAttribute(id = "policyconfigurationcount")
    public CountStatistic getPolicyConfigurationCount() {
        return ejbPCCount;
    }

    @ProbeListener("glassfish:security:ejb:securityManagerCreationEvent")
    public void securityManagerCreationEvent(@ProbeParam("appName") String appName) {
        ejbSMCount.increment();
    }

    @ProbeListener("glassfish:security:ejb:securityManagerDestructionEvent")
    public void securityManagerDestructionEvent(@ProbeParam("appName") String appName) {
        ejbSMCount.decrement();
    }

    @ProbeListener("glassfish:security:ejbpolicy:policyCreationEvent")
    public void policyCreationEvent(@ProbeParam("contextId") String contextId) {
        ejbPCCount.increment();
    }

    @ProbeListener("glassfish:security:ejb:policyDestructionEvent")
    public void policyDestructionEvent(@ProbeParam("contextId") String contextId) {
        ejbPCCount.decrement();
    }

}