org.jboss.as.clustering.infinispan.subsystem.SegmentedCacheResourceDefinition Maven / Gradle / Ivy

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 * JBoss, Home of Professional Open Source.
 * Copyright 2018, 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.infinispan.subsystem;

import java.util.function.UnaryOperator;

import org.infinispan.Cache;
import org.jboss.as.clustering.controller.FunctionExecutorRegistry;
import org.jboss.as.clustering.controller.ResourceDescriptor;
import org.jboss.as.clustering.controller.validation.IntRangeValidatorBuilder;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;

/**
 * @author Paul Ferraro
 */
public class SegmentedCacheResourceDefinition extends SharedStateCacheResourceDefinition {

    enum Attribute implements org.jboss.as.clustering.controller.Attribute, UnaryOperator {
        SEGMENTS("segments", ModelType.INT, new ModelNode(256)) {
            @Override
            public SimpleAttributeDefinitionBuilder apply(SimpleAttributeDefinitionBuilder builder) {
                return builder.setValidator(new IntRangeValidatorBuilder().min(1).configure(builder).build());
            }
        },
        ;
        private final AttributeDefinition definition;

        Attribute(String name, ModelType type, ModelNode defaultValue) {
            this.definition = this.apply(new SimpleAttributeDefinitionBuilder(name, type)
                    .setAllowExpression(true)
                    .setRequired(false)
                    .setDefaultValue(defaultValue)
                    .setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
                    ).build();
        }

        @Override
        public AttributeDefinition getDefinition() {
            return this.definition;
        }
    }

    private static class ResourceDescriptorConfigurator implements UnaryOperator {
        private final UnaryOperator configurator;

        ResourceDescriptorConfigurator(UnaryOperator configurator) {
            this.configurator = configurator;
        }

        @Override
        public ResourceDescriptor apply(ResourceDescriptor descriptor) {
            return this.configurator.apply(descriptor)
                    .addAttributes(Attribute.class)
                    ;
        }
    }

    SegmentedCacheResourceDefinition(PathElement path, UnaryOperator configurator, ClusteredCacheServiceHandler handler, FunctionExecutorRegistry> executors) {
        super(path, new ResourceDescriptorConfigurator(configurator), handler, executors);
    }
}