/*
* 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.clustering.jgroups.subsystem;
import java.util.Arrays;
import java.util.Collection;
import java.util.function.BiFunction;
import java.util.stream.Stream;
import org.jboss.as.clustering.controller.Attribute;
import org.jboss.as.clustering.controller.Definable;
import org.jboss.as.clustering.controller.ResourceDefinitionProvider;
import org.jboss.as.clustering.controller.ResourceDescriptor;
import org.jboss.as.clustering.controller.ResourceServiceBuilder;
import org.jboss.as.clustering.controller.ResourceServiceHandler;
import org.jboss.as.clustering.controller.SimpleAttribute;
import org.jboss.as.clustering.controller.SimpleResourceRegistration;
import org.jboss.as.clustering.controller.SimpleResourceServiceHandler;
import org.jboss.as.clustering.controller.validation.IntRangeValidatorBuilder;
import org.jboss.as.clustering.controller.validation.LongRangeValidatorBuilder;
import org.jboss.as.clustering.controller.validation.ParameterValidatorBuilder;
import org.jboss.as.controller.ModelVersion;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.ResourceDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.client.helpers.MeasurementUnit;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.transform.description.AttributeConverter.DefaultValueAttributeConverter;
import org.jboss.as.controller.transform.description.ResourceTransformationDescriptionBuilder;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* @author Radoslav Husar
* @author Paul Ferraro
* @version Aug 2014
*/
public enum ThreadPoolResourceDefinition implements ResourceDefinitionProvider, ThreadPoolDefinition {
DEFAULT("default", "Incoming", 2, 30, 0, 60000L),
OOB("oob", "OOB", 20, 200, 0, 60000L),
INTERNAL("internal", "INT", 5, 20, 500, 60000L),
TIMER("timer", "Timer", 2, 4, 500, 5000L, (definition, address) -> new TimerFactoryBuilder(definition, address)),
;
static final PathElement WILDCARD_PATH = pathElement(PathElement.WILDCARD_VALUE);
private static PathElement pathElement(String name) {
return PathElement.pathElement("thread-pool", name);
}
private final SimpleResourceDefinition definition;
private final String prefix;
private final Attribute minThreads;
private final Attribute maxThreads;
private final Attribute queueLength;
private final Attribute keepAliveTime;
private final BiFunction<ThreadPoolDefinition, PathAddress, ResourceServiceBuilder<? extends Object>> factory;
ThreadPoolResourceDefinition(String name, String prefix, int defaultMinThreads, int defaultMaxThreads, int defaultQueueLength, long defaultKeepAliveTime) {
this(name, prefix, defaultMinThreads, defaultMaxThreads, defaultQueueLength, defaultKeepAliveTime, (definition, address) -> new ThreadPoolFactoryBuilder(definition, address));
}
ThreadPoolResourceDefinition(String name, String prefix, int defaultMinThreads, int defaultMaxThreads, int defaultQueueLength, long defaultKeepAliveTime, BiFunction<ThreadPoolDefinition, PathAddress, ResourceServiceBuilder<? extends Object>> factory) {
this.definition = new SimpleResourceDefinition(pathElement(name), new JGroupsResourceDescriptionResolver(pathElement(PathElement.WILDCARD_VALUE)));
this.prefix = prefix;
this.minThreads = new SimpleAttribute(createBuilder("min-threads", ModelType.INT, new ModelNode(defaultMinThreads), new IntRangeValidatorBuilder().min(0)).build());
this.maxThreads = new SimpleAttribute(createBuilder("max-threads", ModelType.INT, new ModelNode(defaultMaxThreads), new IntRangeValidatorBuilder().min(0)).build());
this.queueLength = new SimpleAttribute(createBuilder("queue-length", ModelType.INT, new ModelNode(defaultQueueLength), new IntRangeValidatorBuilder().min(0)).build());
this.keepAliveTime = new SimpleAttribute(createBuilder("keepalive-time", ModelType.LONG, new ModelNode(defaultKeepAliveTime), new LongRangeValidatorBuilder().min(0)).build());
this.factory = factory;
}
private static SimpleAttributeDefinitionBuilder createBuilder(String name, ModelType type, ModelNode defaultValue, ParameterValidatorBuilder validatorBuilder) {
SimpleAttributeDefinitionBuilder builder = new SimpleAttributeDefinitionBuilder(name, type)
.setAllowExpression(true)
.setRequired(false)
.setDefaultValue(defaultValue)
.setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
.setMeasurementUnit((type == ModelType.LONG) ? MeasurementUnit.MILLISECONDS : null)
;
return builder.setValidator(validatorBuilder.configure(builder).build());
}
@Override
public ResourceDefinition getDefinition() {
return this.definition;
}
@Override
public void register(ManagementResourceRegistration parentRegistration) {
ManagementResourceRegistration registration = parentRegistration.registerSubModel(this.definition);
ResourceDescriptor descriptor = new ResourceDescriptor(this.definition.getResourceDescriptionResolver()).addAttributes(this.getAttributes());
ResourceServiceHandler handler = new SimpleResourceServiceHandler<>(address -> this.factory.apply(this, address));
new SimpleResourceRegistration(descriptor, handler).register(registration);
}
Collection<Attribute> getAttributes() {
return Arrays.asList(this.minThreads, this.maxThreads, this.queueLength, this.keepAliveTime);
}
@Override
public String getThreadGroupPrefix() {
return this.prefix;
}
@Override
public Attribute getMinThreads() {
return this.minThreads;
}
@Override
public Attribute getMaxThreads() {
return this.maxThreads;
}
@Override
public Attribute getQueueLength() {
return this.queueLength;
}
@Override
public Attribute getKeepAliveTime() {
return this.keepAliveTime;
}
void buildTransformation(ModelVersion version, ResourceTransformationDescriptionBuilder parent) {
ResourceTransformationDescriptionBuilder builder = parent.addChildResource(this.definition);
if (JGroupsModel.VERSION_4_1_0.requiresTransformation(version)) {
Stream.of(this.minThreads, this.maxThreads, this.queueLength)
.map(Definable::getDefinition)
.forEach(attribute -> builder.getAttributeBuilder().setValueConverter(new DefaultValueAttributeConverter(attribute), attribute));
}
}
}