/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.brooklyn.core.mgmt.internal;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.api.mgmt.AccessController;
import com.google.common.annotations.Beta;
@Beta
public class LocalAccessManager implements AccessManager {
private volatile boolean locationProvisioningAllowed = true;
private volatile boolean locationManagementAllowed = true;
private volatile boolean entityManagementAllowed = true;
private final AtomicReference<AccessControllerImpl> controller = new AtomicReference<AccessControllerImpl>();
public LocalAccessManager() {
updateAccessController();
}
@Override
public AccessController getAccessController() {
return controller.get();
}
@Override
public boolean isLocationProvisioningAllowed() {
return locationProvisioningAllowed;
}
@Override
public boolean isLocationManagementAllowed() {
return locationManagementAllowed;
}
@Override
public boolean isEntityManagementAllowed() {
return entityManagementAllowed;
}
@Override
public void setLocationProvisioningAllowed(boolean allowed) {
locationProvisioningAllowed = allowed;
updateAccessController();
}
@Override
public void setLocationManagementAllowed(boolean allowed) {
locationManagementAllowed = allowed;
updateAccessController();
}
@Override
public void setEntityManagementAllowed(boolean allowed) {
entityManagementAllowed = allowed;
updateAccessController();
}
private void updateAccessController() {
controller.set(new AccessControllerImpl(locationProvisioningAllowed, locationManagementAllowed, entityManagementAllowed));
}
private static class AccessControllerImpl implements AccessController {
private final boolean locationProvisioningAllowed;
private final boolean locationManagementAllowed;
private final boolean entityManagementAllowed;
public AccessControllerImpl(boolean locationProvisioningAllowed, boolean locationManagementAllowed,
boolean entityManagementAllowed) {
this.locationProvisioningAllowed = locationProvisioningAllowed;
this.locationManagementAllowed = locationManagementAllowed;
this.entityManagementAllowed = entityManagementAllowed;
}
@Override
public Response canProvisionLocation(Location provisioner) {
return (locationProvisioningAllowed ? Response.allowed() : Response.disallowed("location provisioning disabled"));
}
@Override
public Response canManageLocation(Location loc) {
return (locationManagementAllowed ? Response.allowed() : Response.disallowed("location management disabled"));
}
@Override
public Response canManageEntity(Entity entity) {
return (entityManagementAllowed ? Response.allowed() : Response.disallowed("entity management disabled"));
}
}
}