/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.controller.capability.registry;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.capability.Capability;
/**
* Encapsulates the registration information for an {@link org.jboss.as.controller.capability.AbstractCapability capability}.
*
* @param <C> the specific type of capability associated with this registration
*
* @author Brian Stansberry (c) 2014 Red Hat Inc.
*/
public class CapabilityRegistration<C extends Capability> implements Comparable<CapabilityRegistration> {
private final Map<PathAddress, RegistrationPoint> registrationPoints = new LinkedHashMap<>();
private final C capability;
private final CapabilityId id;
public CapabilityRegistration(C capability, CapabilityScope scope) {
this.capability = capability;
this.id = new CapabilityId(capability.getName(), scope);
}
public CapabilityRegistration(C capability, CapabilityScope scope, RegistrationPoint registrationPoint) {
this(capability, scope);
this.registrationPoints.put(registrationPoint.getAddress(), registrationPoint);
}
/**
* Copy constructor.
*
* @param toCopy the registration to copy. Cannot be {@code null}
*/
public CapabilityRegistration(CapabilityRegistration<C> toCopy) {
this(toCopy.getCapability(), toCopy.getCapabilityScope());
this.registrationPoints.putAll(toCopy.registrationPoints);
}
/**
* Gets the capability.
* @return the capability. Will not return {@code null}
*/
public C getCapability() {
return capability;
}
/**
* Gets the scope in which the capability is registered.
*
* @return the capability scope. Will not return {@code null}
*/
public CapabilityScope getCapabilityScope() {
return id.getScope();
}
public String getCapabilityName() {
return id.getName();
}
public CapabilityId getCapabilityId() {
return id;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CapabilityRegistration that = (CapabilityRegistration) o;
return id.equals(that.id);
}
@Override
public int hashCode() {
return id.hashCode();
}
/**
* Gets the registration point that been associated with the registration for the longest period.
* @return the initial registration point, or {@code null} if there are no longer any registration points
*/
public synchronized RegistrationPoint getOldestRegistrationPoint() {
return registrationPoints.size() == 0 ? null : registrationPoints.values().iterator().next();
}
/**
* Get all registration points associated with this registration.
*
* @return all registration points. Will not be {@code null} but may be empty
*/
public synchronized Set<RegistrationPoint> getRegistrationPoints() {
return Collections.unmodifiableSet(new LinkedHashSet<>(registrationPoints.values()));
}
public synchronized boolean addRegistrationPoint(RegistrationPoint toAdd) {
PathAddress addedAddress = toAdd.getAddress();
if (registrationPoints.containsKey(addedAddress)) {
return false;
}
registrationPoints.put(addedAddress, toAdd);
return true;
}
public synchronized boolean removeRegistrationPoint(RegistrationPoint toAdd) {
PathAddress addedAddress = toAdd.getAddress();
if (!registrationPoints.containsKey(addedAddress)) {
return false;
}
registrationPoints.remove(addedAddress);
return true;
}
public synchronized int getRegistrationPointCount() {
return registrationPoints.size();
}
@Override
public int compareTo(CapabilityRegistration o) {
return id.compareTo(o.id);
}
}