/
ResourceRegistration.java
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/
ResourceRegistration.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, 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.clustering.controller;
import java.util.Optional;
import org.jboss.as.clustering.function.Predicates;
import org.jboss.as.controller.OperationDefinition;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.operations.global.ListOperations;
import org.jboss.as.controller.operations.global.MapOperations;
import org.jboss.as.controller.operations.global.WriteAttributeHandler;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
/**
* Registers add, remove, and write-attribute operation handlers and capabilities.
* @author Paul Ferraro
*/
public class ResourceRegistration implements Registration<ManagementResourceRegistration> {
private final AddStepHandlerDescriptor descriptor;
private final Registration<ManagementResourceRegistration> addRegistration;
private final Registration<ManagementResourceRegistration> removeRegistration;
private final Registration<ManagementResourceRegistration> writeAttributeRegistration;
protected ResourceRegistration(AddStepHandlerDescriptor descriptor, ResourceServiceHandler handler, Registration<ManagementResourceRegistration> addRegistration, Registration<ManagementResourceRegistration> removeRegistration) {
this(descriptor, addRegistration, removeRegistration, new WriteAttributeStepHandler(descriptor, handler));
}
protected ResourceRegistration(AddStepHandlerDescriptor descriptor, Registration<ManagementResourceRegistration> addRegistration, Registration<ManagementResourceRegistration> removeRegistration, Registration<ManagementResourceRegistration> writeAttributeRegistration) {
this.descriptor = descriptor;
this.addRegistration = addRegistration;
this.removeRegistration = removeRegistration;
this.writeAttributeRegistration = writeAttributeRegistration;
}
@Override
public void register(ManagementResourceRegistration registration) {
new CapabilityRegistration(this.descriptor.getCapabilities().keySet()).register(registration);
// Register attributes before add operation
this.writeAttributeRegistration.register(registration);
// Register attribute translations
this.descriptor.getAttributeTranslations().entrySet().forEach(entry -> registration.registerReadWriteAttribute(entry.getKey(), new ReadAttributeTranslationHandler(entry.getValue()), new WriteAttributeTranslationHandler(entry.getValue())));
this.addRegistration.register(registration);
this.removeRegistration.register(registration);
// Override global operations with transformed operations, if necessary
this.registerTransformedOperation(registration, WriteAttributeHandler.DEFINITION, WriteAttributeHandler.INSTANCE);
this.registerTransformedOperation(registration, MapOperations.MAP_PUT_DEFINITION, MapOperations.MAP_PUT_HANDLER);
this.registerTransformedOperation(registration, MapOperations.MAP_GET_DEFINITION, MapOperations.MAP_GET_HANDLER);
this.registerTransformedOperation(registration, MapOperations.MAP_REMOVE_DEFINITION, MapOperations.MAP_REMOVE_HANDLER);
this.registerTransformedOperation(registration, MapOperations.MAP_CLEAR_DEFINITION, MapOperations.MAP_CLEAR_HANDLER);
this.registerTransformedOperation(registration, ListOperations.LIST_ADD_DEFINITION, ListOperations.LIST_ADD_HANDLER);
this.registerTransformedOperation(registration, ListOperations.LIST_GET_DEFINITION, ListOperations.LIST_GET_HANDLER);
this.registerTransformedOperation(registration, ListOperations.LIST_REMOVE_DEFINITION, ListOperations.LIST_REMOVE_HANDLER);
this.registerTransformedOperation(registration, ListOperations.LIST_CLEAR_DEFINITION, ListOperations.LIST_CLEAR_HANDLER);
}
private void registerTransformedOperation(ManagementResourceRegistration registration, OperationDefinition definition, OperationStepHandler handler) {
// Only override global operation handlers for non-identity transformations
Optional.of(handler).map(this.descriptor.getOperationTransformation())
.filter(Predicates.same(handler).negate())
.ifPresent(transformedHandler -> registration.registerOperationHandler(definition, transformedHandler));
}
}