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org.jboss.as.clustering.jgroups.subsystem.ThreadPoolResourceDefinition Maven / Gradle / Ivy
/*
* Copyright The WildFly Authors
* SPDX-License-Identifier: Apache-2.0
*/
package org.jboss.as.clustering.jgroups.subsystem;
import java.util.Arrays;
import java.util.Collection;
import org.jboss.as.clustering.controller.Attribute;
import org.jboss.as.clustering.controller.ResourceDefinitionProvider;
import org.jboss.as.clustering.controller.ResourceDescriptor;
import org.jboss.as.clustering.controller.ResourceServiceConfigurator;
import org.jboss.as.clustering.controller.ResourceServiceConfiguratorFactory;
import org.jboss.as.clustering.controller.ResourceServiceHandler;
import org.jboss.as.clustering.controller.SimpleAttribute;
import org.jboss.as.clustering.controller.SimpleResourceRegistrar;
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.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.descriptions.ResourceDescriptionResolver;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
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, ResourceServiceConfiguratorFactory {
DEFAULT("default", 0, 200, 0, 60000L),
;
static final PathElement WILDCARD_PATH = pathElement(PathElement.WILDCARD_VALUE);
private static PathElement pathElement(String name) {
return PathElement.pathElement("thread-pool", name);
}
private final PathElement path;
private final Attribute minThreads;
private final Attribute maxThreads;
private final Attribute keepAliveTime;
ThreadPoolResourceDefinition(String name, int defaultMinThreads, int defaultMaxThreads, int defaultQueueLength, long defaultKeepAliveTime) {
this.path = pathElement(name);
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.keepAliveTime = new SimpleAttribute(createBuilder("keepalive-time", ModelType.LONG, new ModelNode(defaultKeepAliveTime), new LongRangeValidatorBuilder().min(0)).build());
}
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 void register(ManagementResourceRegistration parentRegistration) {
ResourceDescriptionResolver resolver = JGroupsExtension.SUBSYSTEM_RESOLVER.createChildResolver(this.path, pathElement(PathElement.WILDCARD_VALUE));
SimpleResourceDefinition.Parameters parameters = new SimpleResourceDefinition.Parameters(this.path, resolver);
ResourceDefinition definition = new SimpleResourceDefinition(parameters);
ManagementResourceRegistration registration = parentRegistration.registerSubModel(definition);
ResourceDescriptor descriptor = new ResourceDescriptor(resolver)
.addAttributes(this.minThreads, this.maxThreads, this.keepAliveTime)
;
ResourceServiceHandler handler = new SimpleResourceServiceHandler(this);
new SimpleResourceRegistrar(descriptor, handler).register(registration);
}
@Override
public ResourceServiceConfigurator createServiceConfigurator(PathAddress address) {
return new ThreadPoolFactoryServiceConfigurator(this, address);
}
Collection getAttributes() {
return Arrays.asList(this.minThreads, this.maxThreads, this.keepAliveTime);
}
@Override
public Attribute getMinThreads() {
return this.minThreads;
}
@Override
public Attribute getMaxThreads() {
return this.maxThreads;
}
@Override
public Attribute getKeepAliveTime() {
return this.keepAliveTime;
}
@Override
public PathElement getPathElement() {
return this.path;
}
}