/jboss-as-7.1.1.Final/ejb3/src/main/java/org/jboss/as/ejb3/subsystem/CacheFactoryResourceDefinition.java

  1/*
  2 * JBoss, Home of Professional Open Source.
  3 * Copyright 2011, Red Hat, Inc., and individual contributors
  4 * as indicated by the @author tags. See the copyright.txt file in the
  5 * distribution for a full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22package org.jboss.as.ejb3.subsystem;
 23
 24import java.util.Locale;
 25import java.util.ResourceBundle;
 26
 27import javax.xml.stream.XMLStreamException;
 28import javax.xml.stream.XMLStreamWriter;
 29
 30import org.jboss.as.controller.AttributeDefinition;
 31import org.jboss.as.controller.ListAttributeDefinition;
 32import org.jboss.as.controller.PathElement;
 33import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
 34import org.jboss.as.controller.SimpleAttributeDefinition;
 35import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
 36import org.jboss.as.controller.SimpleResourceDefinition;
 37import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
 38import org.jboss.as.controller.descriptions.ResourceDescriptionResolver;
 39import org.jboss.as.controller.operations.validation.StringLengthValidator;
 40import org.jboss.as.controller.registry.AttributeAccess;
 41import org.jboss.as.controller.registry.ManagementResourceRegistration;
 42import org.jboss.as.controller.registry.OperationEntry;
 43import org.jboss.dmr.ModelNode;
 44import org.jboss.dmr.ModelType;
 45
 46/**
 47 * @author Paul Ferraro
 48 */
 49public class CacheFactoryResourceDefinition extends SimpleResourceDefinition {
 50
 51    public static final ListAttributeDefinition ALIASES = new StringListAttributeDefinition(EJB3SubsystemModel.ALIASES, EJB3SubsystemXMLAttribute.ALIASES.getLocalName(), true);
 52    public static final SimpleAttributeDefinition PASSIVATION_STORE =
 53            new SimpleAttributeDefinitionBuilder(EJB3SubsystemModel.PASSIVATION_STORE, ModelType.STRING, true)
 54                    .setXmlName(EJB3SubsystemXMLAttribute.PASSIVATION_STORE_REF.getLocalName())
 55                    .setAllowExpression(true)
 56                    .setFlags(AttributeAccess.Flag.RESTART_NONE)
 57                    .build();
 58
 59    private static final AttributeDefinition[] ATTRIBUTES = new AttributeDefinition[] { ALIASES, PASSIVATION_STORE };
 60    private static final CacheFactoryAdd ADD_HANDLER = new CacheFactoryAdd(ATTRIBUTES);
 61    private static final CacheFactoryRemove REMOVE_HANDLER = new CacheFactoryRemove(ADD_HANDLER);
 62
 63    public static final CacheFactoryResourceDefinition INSTANCE = new CacheFactoryResourceDefinition();
 64
 65    private CacheFactoryResourceDefinition() {
 66        super(PathElement.pathElement(EJB3SubsystemModel.CACHE),
 67                EJB3Extension.getResourceDescriptionResolver(EJB3SubsystemModel.CACHE),
 68                ADD_HANDLER, REMOVE_HANDLER,
 69                OperationEntry.Flag.RESTART_NONE, OperationEntry.Flag.RESTART_RESOURCE_SERVICES);
 70    }
 71
 72    @Override
 73    public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
 74        ReloadRequiredWriteAttributeHandler handler = new ReloadRequiredWriteAttributeHandler(ATTRIBUTES);
 75        for (AttributeDefinition attribute: ATTRIBUTES) {
 76            resourceRegistration.registerReadWriteAttribute(attribute,  null, handler);
 77        }
 78    }
 79
 80    private static class StringListAttributeDefinition extends ListAttributeDefinition {
 81
 82        /** {@inheritDoc} */
 83        StringListAttributeDefinition(String name, String xmlName, boolean allowNull) {
 84            super(name, xmlName, allowNull, 0, Integer.MAX_VALUE, new StringLengthValidator(1));
 85        }
 86
 87        /**
 88         * {@inheritDoc}
 89         * @see org.jboss.as.controller.ListAttributeDefinition#addValueTypeDescription(org.jboss.dmr.ModelNode, java.util.ResourceBundle)
 90         */
 91        @Override
 92        protected void addValueTypeDescription(ModelNode node, ResourceBundle bundle) {
 93            this.setValueType(node);
 94        }
 95
 96        /**
 97         * {@inheritDoc}
 98         * @see org.jboss.as.controller.ListAttributeDefinition#addAttributeValueTypeDescription(org.jboss.dmr.ModelNode, org.jboss.as.controller.descriptions.ResourceDescriptionResolver, java.util.Locale, java.util.ResourceBundle)
 99         */
100        @Override
101        protected void addAttributeValueTypeDescription(ModelNode node, ResourceDescriptionResolver resolver, Locale locale, ResourceBundle bundle) {
102            this.setValueType(node);
103        }
104
105        /**
106         * {@inheritDoc}
107         * @see org.jboss.as.controller.ListAttributeDefinition#addOperationParameterValueTypeDescription(org.jboss.dmr.ModelNode, java.lang.String, org.jboss.as.controller.descriptions.ResourceDescriptionResolver, java.util.Locale, java.util.ResourceBundle)
108         */
109        @Override
110        protected void addOperationParameterValueTypeDescription(ModelNode node, String operationName, ResourceDescriptionResolver resolver, Locale locale, ResourceBundle bundle) {
111            this.setValueType(node);
112        }
113
114        private void setValueType(ModelNode node) {
115            node.get(ModelDescriptionConstants.VALUE_TYPE).set(ModelType.STRING);
116        }
117
118        /**
119         * {@inheritDoc}
120         * @see org.jboss.as.controller.AttributeDefinition#marshallAsElement(org.jboss.dmr.ModelNode, javax.xml.stream.XMLStreamWriter)
121         */
122        @Override
123        public void marshallAsElement(ModelNode model, XMLStreamWriter writer) throws XMLStreamException {
124            if (model.hasDefined(this.getName())) {
125                StringBuilder builder = new StringBuilder();
126                for (ModelNode alias: model.get(this.getName()).asList()) {
127                    if (builder.length() > 0) {
128                        builder.append(' ');
129                    }
130                    builder.append(alias.asString());
131                }
132                writer.writeAttribute(this.getXmlName(), builder.toString());
133            }
134        }
135    }
136}