/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.ejb3.subsystem;
import static org.jboss.as.ejb3.component.pool.StrictMaxPoolConfigService.Derive;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.LinkedHashMap;
import java.util.Map;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.ServiceRemoveStepHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleResourceDefinition;
import org.jboss.as.controller.operations.validation.EnumValidator;
import org.jboss.as.controller.operations.validation.IntRangeValidator;
import org.jboss.as.controller.operations.validation.LongRangeValidator;
import org.jboss.as.controller.operations.validation.TimeUnitValidator;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.controller.transform.description.DiscardAttributeChecker;
import org.jboss.as.controller.transform.description.RejectAttributeChecker;
import org.jboss.as.controller.transform.description.ResourceTransformationDescriptionBuilder;
import org.jboss.as.ejb3.component.pool.StrictMaxPoolConfigService;
import org.jboss.as.ejb3.component.pool.StrictMaxPoolConfig;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* {@link org.jboss.as.controller.ResourceDefinition} for the strict-max-bean-pool resource.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class StrictMaxPoolResourceDefinition extends SimpleResourceDefinition {
public static final StrictMaxPoolResourceDefinition INSTANCE = new StrictMaxPoolResourceDefinition();
public static final SimpleAttributeDefinition MAX_POOL_SIZE =
new SimpleAttributeDefinitionBuilder(EJB3SubsystemModel.MAX_POOL_SIZE, ModelType.INT, true)
.setDefaultValue(new ModelNode().set(StrictMaxPoolConfig.DEFAULT_MAX_POOL_SIZE))
.setAllowExpression(true)
.setValidator(new IntRangeValidator(1, Integer.MAX_VALUE, true, true))
.setAlternatives(EJB3SubsystemModel.DERIVE_SIZE)
.setFlags(AttributeAccess.Flag.RESTART_NONE)
.build();
public static final SimpleAttributeDefinition DERIVE_SIZE =
new SimpleAttributeDefinitionBuilder(EJB3SubsystemModel.DERIVE_SIZE, ModelType.STRING, true)
.setAllowExpression(true)
// DeriveSize.NONE is no longer legal but if presented we will correct to undefined
.setValidator(EnumValidator.create(DeriveSize.class, true, false, DeriveSize.LEGAL_VALUES))
.setCorrector(((newValue, currentValue) ->
(newValue.getType() == ModelType.STRING && DeriveSize.NONE.toString().equalsIgnoreCase(newValue.asString()))
? new ModelNode() : newValue))
.setAlternatives(EJB3SubsystemModel.MAX_POOL_SIZE)
.setFlags(AttributeAccess.Flag.RESTART_NONE)
.build();
public static final SimpleAttributeDefinition INSTANCE_ACQUISITION_TIMEOUT =
new SimpleAttributeDefinitionBuilder(EJB3SubsystemModel.INSTANCE_ACQUISITION_TIMEOUT, ModelType.LONG, true)
.setXmlName(EJB3SubsystemXMLAttribute.INSTANCE_ACQUISITION_TIMEOUT.getLocalName())
.setDefaultValue(new ModelNode().set(StrictMaxPoolConfig.DEFAULT_TIMEOUT))
.setAllowExpression(true)
.setValidator(new LongRangeValidator(1, Integer.MAX_VALUE, true, true))
.setFlags(AttributeAccess.Flag.RESTART_NONE)
.build();
public static final SimpleAttributeDefinition INSTANCE_ACQUISITION_TIMEOUT_UNIT =
new SimpleAttributeDefinitionBuilder(EJB3SubsystemModel.INSTANCE_ACQUISITION_TIMEOUT_UNIT, ModelType.STRING, true)
.setXmlName(EJB3SubsystemXMLAttribute.INSTANCE_ACQUISITION_TIMEOUT_UNIT.getLocalName())
.setValidator(new TimeUnitValidator(true,true))
.setDefaultValue(new ModelNode().set(StrictMaxPoolConfig.DEFAULT_TIMEOUT_UNIT.name()))
.setFlags(AttributeAccess.Flag.RESTART_NONE)
.setAllowExpression(true)
.build();
public static final Map<String, AttributeDefinition> ATTRIBUTES ;
static {
Map<String, AttributeDefinition> map = new LinkedHashMap<String, AttributeDefinition>();
map.put(MAX_POOL_SIZE.getName(), MAX_POOL_SIZE);
map.put(DERIVE_SIZE.getName(), DERIVE_SIZE);
map.put(INSTANCE_ACQUISITION_TIMEOUT.getName(), INSTANCE_ACQUISITION_TIMEOUT);
map.put(INSTANCE_ACQUISITION_TIMEOUT_UNIT.getName(), INSTANCE_ACQUISITION_TIMEOUT_UNIT);
ATTRIBUTES = Collections.unmodifiableMap(map);
}
private static final String NONE_VALUE = "none";
private static final String FROM_WORKER_POOLS_VALUE = "from-worker-pools";
private static final String FROM_CPU_COUNT_VALUE = "from-cpu-count";
enum DeriveSize {
NONE(NONE_VALUE), FROM_WORKER_POOLS(FROM_WORKER_POOLS_VALUE), FROM_CPU_COUNT(FROM_CPU_COUNT_VALUE);
// All values but NONE are 'legal' for use, although we provide a corrector to allow NONE as well
// I use this convoluted mechanism to name these to make this more robust in case other values get added
private static DeriveSize[] LEGAL_VALUES = EnumSet.complementOf(EnumSet.of(NONE)).toArray(new DeriveSize[2]);
private String value;
DeriveSize(String value) {
this.value = value;
}
public String toString() {
return value;
}
public static DeriveSize fromValue(String value) {
switch (value) {
case NONE_VALUE: return NONE;
case FROM_WORKER_POOLS_VALUE: return FROM_WORKER_POOLS;
case FROM_CPU_COUNT_VALUE: return FROM_CPU_COUNT;
default:
return valueOf(value);
}
}
}
static Derive parseDeriveSize(OperationContext context, ModelNode strictMaxPoolModel) throws OperationFailedException {
ModelNode dsNode = StrictMaxPoolResourceDefinition.DERIVE_SIZE.resolveModelAttribute(context, strictMaxPoolModel);
if (dsNode.isDefined()) {
DeriveSize deriveSize = DeriveSize.fromValue(dsNode.asString());
switch (deriveSize) {
case FROM_WORKER_POOLS:
return Derive.FROM_WORKER_POOLS;
case FROM_CPU_COUNT:
return Derive.FROM_CPU_COUNT;
}
}
return Derive.NONE;
}
private StrictMaxPoolResourceDefinition() {
super(PathElement.pathElement(EJB3SubsystemModel.STRICT_MAX_BEAN_INSTANCE_POOL),
EJB3Extension.getResourceDescriptionResolver(EJB3SubsystemModel.STRICT_MAX_BEAN_INSTANCE_POOL),
StrictMaxPoolAdd.INSTANCE, new ServiceRemoveStepHandler(StrictMaxPoolConfigService.EJB_POOL_CONFIG_BASE_SERVICE_NAME, StrictMaxPoolAdd.INSTANCE),
OperationEntry.Flag.RESTART_NONE, OperationEntry.Flag.RESTART_RESOURCE_SERVICES);
}
@Override
public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
Collection<AttributeDefinition> ads = ATTRIBUTES.values();
OperationStepHandler osh = new StrictMaxPoolWriteHandler(ads);
for (AttributeDefinition attr : ads) {
resourceRegistration.registerReadWriteAttribute(attr, null, osh);
}
}
static void registerTransformers_1_1_0(ResourceTransformationDescriptionBuilder parent) {
parent.addChildResource(INSTANCE.getPathElement())
.getAttributeBuilder()
.addRejectCheck(RejectAttributeChecker.SIMPLE_EXPRESSIONS, INSTANCE_ACQUISITION_TIMEOUT_UNIT);
}
static void registerTransformers_1_2_0_and_1_3_0(ResourceTransformationDescriptionBuilder parent) {
parent.addChildResource(INSTANCE.getPathElement())
.getAttributeBuilder()
.setDiscard(new DiscardAttributeChecker.DiscardAttributeValueChecker(new ModelNode(DeriveSize.NONE.toString())), DERIVE_SIZE)
.addRejectCheck(RejectAttributeChecker.DEFINED, DERIVE_SIZE);
}
static void registerTransformers_3_0_0(ResourceTransformationDescriptionBuilder parent) {
parent.addChildResource(INSTANCE.getPathElement())
.getAttributeBuilder()
.setDiscard(new DiscardAttributeChecker.DiscardAttributeValueChecker(new ModelNode(DeriveSize.NONE.toString())), DERIVE_SIZE)
.addRejectCheck(RejectAttributeChecker.DEFINED, DERIVE_SIZE);
}
}