/* * JBoss, Home of Professional Open Source. * Copyright 2010, 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.connector.subsystems.common.pool; import org.jboss.as.connector.logging.ConnectorLogger; import org.jboss.as.connector.util.ConnectorServices; import org.jboss.as.controller.AbstractWriteAttributeHandler; import org.jboss.as.controller.OperationContext; import org.jboss.as.controller.OperationFailedException; import org.jboss.as.controller.OperationStepHandler; import org.jboss.as.controller.PathAddress; import org.jboss.dmr.ModelNode; import org.jboss.jca.core.api.connectionmanager.pool.PoolConfiguration; import org.jboss.jca.core.api.management.ConnectionFactory; import org.jboss.jca.core.api.management.Connector; import org.jboss.jca.core.api.management.DataSource; import org.jboss.jca.core.api.management.ManagementRepository; import org.jboss.msc.service.ServiceController; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import static org.jboss.as.connector.subsystems.common.pool.Constants.BACKGROUNDVALIDATION; import static org.jboss.as.connector.subsystems.common.pool.Constants.BACKGROUNDVALIDATIONMILLIS; import static org.jboss.as.connector.subsystems.common.pool.Constants.BLOCKING_TIMEOUT_WAIT_MILLIS; import static org.jboss.as.connector.subsystems.common.pool.Constants.IDLETIMEOUTMINUTES; import static org.jboss.as.connector.subsystems.common.pool.Constants.INITIAL_POOL_SIZE; import static org.jboss.as.connector.subsystems.common.pool.Constants.MAX_POOL_SIZE; import static org.jboss.as.connector.subsystems.common.pool.Constants.MIN_POOL_SIZE; import static org.jboss.as.connector.subsystems.common.pool.Constants.POOL_ATTRIBUTES; import static org.jboss.as.connector.subsystems.common.pool.Constants.POOL_FAIR; import static org.jboss.as.connector.subsystems.common.pool.Constants.POOL_FLUSH_STRATEGY; import static org.jboss.as.connector.subsystems.common.pool.Constants.POOL_PREFILL; import static org.jboss.as.connector.subsystems.common.pool.Constants.POOL_USE_STRICT_MIN; import static org.jboss.as.connector.subsystems.common.pool.Constants.USE_FAST_FAIL; import static org.jboss.as.connector.subsystems.common.pool.Constants.VALIDATE_ON_MATCH; import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.NAME; import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR; /** * @author <a href="mailto:stefano.maestri@redhat.com">Stefano Maestri</a> * @author <a href="mailto:jeff.zhang@jboss.org">Jeff Zhang</a> */ public class PoolConfigurationRWHandler { public static final List<String> ATTRIBUTES = Arrays.asList(MAX_POOL_SIZE.getName(), MIN_POOL_SIZE.getName(), INITIAL_POOL_SIZE.getName(),BLOCKING_TIMEOUT_WAIT_MILLIS.getName(), IDLETIMEOUTMINUTES.getName(), BACKGROUNDVALIDATION.getName(), BACKGROUNDVALIDATIONMILLIS.getName(), POOL_PREFILL.getName(), POOL_FAIR.getName(), POOL_USE_STRICT_MIN.getName(), POOL_FLUSH_STRATEGY.getName()); // TODO this seems to just do what the default handler does, so registering it is probably unnecessary public static class PoolConfigurationReadHandler implements OperationStepHandler { public static final PoolConfigurationReadHandler INSTANCE = new PoolConfigurationReadHandler(); public void execute(OperationContext context, ModelNode operation) throws OperationFailedException { final String parameterName = operation.require(NAME).asString(); final ModelNode submodel = context.readResource(PathAddress.EMPTY_ADDRESS, false).getModel(); final ModelNode currentValue = submodel.hasDefined(parameterName) ? submodel.get(parameterName).clone() : new ModelNode(); context.getResult().set(currentValue); } } public abstract static class PoolConfigurationWriteHandler extends AbstractWriteAttributeHandler<List<PoolConfiguration>> { protected PoolConfigurationWriteHandler() { super(POOL_ATTRIBUTES); } @Override protected boolean applyUpdateToRuntime(final OperationContext context, final ModelNode operation, final String parameterName, final ModelNode newValue, final ModelNode currentValue, final HandbackHolder<List<PoolConfiguration>> handbackHolder) throws OperationFailedException { final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR)); final String poolName = address.getLastElement().getValue(); final ServiceController<?> managementRepoService = context.getServiceRegistry(false).getService( ConnectorServices.MANAGEMENT_REPOSITORY_SERVICE); List<PoolConfiguration> poolConfigs = null; if (managementRepoService != null) { try { final ManagementRepository repository = (ManagementRepository) managementRepoService.getValue(); poolConfigs = getMatchingPoolConfigs(poolName, repository); updatePoolConfigs(poolConfigs, parameterName, newValue); handbackHolder.setHandback(poolConfigs); } catch (Exception e) { throw new OperationFailedException(ConnectorLogger.ROOT_LOGGER.failedToSetAttribute(e.getLocalizedMessage())); } } return (IDLETIMEOUTMINUTES.getName().equals(parameterName) || BACKGROUNDVALIDATION.getName().equals(parameterName) || BACKGROUNDVALIDATIONMILLIS.getName().equals(parameterName) || POOL_PREFILL.getName().equals(parameterName) || POOL_FLUSH_STRATEGY.getName().equals(parameterName)); } @Override protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String parameterName, ModelNode valueToRestore, ModelNode valueToRevert, List<PoolConfiguration> handback) throws OperationFailedException { if (handback != null) { updatePoolConfigs(handback, parameterName, valueToRestore.resolve()); } } private void updatePoolConfigs(List<PoolConfiguration> poolConfigs, String parameterName, ModelNode newValue) { for (PoolConfiguration pc : poolConfigs) { if (MAX_POOL_SIZE.getName().equals(parameterName)) { pc.setMaxSize(newValue.asInt()); } if (MIN_POOL_SIZE.getName().equals(parameterName)) { pc.setMinSize(newValue.asInt()); } if (INITIAL_POOL_SIZE.getName().equals(parameterName)) { pc.setInitialSize(newValue.asInt()); } if (BLOCKING_TIMEOUT_WAIT_MILLIS.getName().equals(parameterName)) { pc.setBlockingTimeout(newValue.asLong()); } if (POOL_USE_STRICT_MIN.getName().equals(parameterName)) { pc.setStrictMin(newValue.asBoolean()); } if (USE_FAST_FAIL.getName().equals(parameterName)) { pc.setUseFastFail(newValue.asBoolean()); } if (VALIDATE_ON_MATCH.getName().equals(parameterName)) { pc.setValidateOnMatch(newValue.asBoolean()); } if (POOL_FAIR.getName().equals(parameterName)) { pc.setFair(newValue.asBoolean()); } } } protected abstract List<PoolConfiguration> getMatchingPoolConfigs(String jndiName, ManagementRepository repository); } public static class LocalAndXaDataSourcePoolConfigurationWriteHandler extends PoolConfigurationWriteHandler { public static final LocalAndXaDataSourcePoolConfigurationWriteHandler INSTANCE = new LocalAndXaDataSourcePoolConfigurationWriteHandler(); protected LocalAndXaDataSourcePoolConfigurationWriteHandler() { super(); } protected List<PoolConfiguration> getMatchingPoolConfigs(String poolName, ManagementRepository repository) { ArrayList<PoolConfiguration> result = new ArrayList<PoolConfiguration>(repository.getDataSources().size()); if (repository.getDataSources() != null) { for (DataSource ds : repository.getDataSources()) { if (poolName.equalsIgnoreCase(ds.getPool().getName())) { result.add(ds.getPoolConfiguration()); } } } result.trimToSize(); return result; } } public static class RaPoolConfigurationWriteHandler extends PoolConfigurationWriteHandler { public static final RaPoolConfigurationWriteHandler INSTANCE = new RaPoolConfigurationWriteHandler(); protected RaPoolConfigurationWriteHandler() { super(); } protected List<PoolConfiguration> getMatchingPoolConfigs(String poolName, ManagementRepository repository) { ArrayList<PoolConfiguration> result = new ArrayList<PoolConfiguration>(repository.getConnectors().size()); if (repository.getConnectors() != null) { for (Connector conn : repository.getConnectors()) { if (conn.getConnectionFactories() == null || conn.getConnectionFactories().get(0) == null || conn.getConnectionFactories().get(0).getPool() == null) continue; ConnectionFactory connectionFactory = conn.getConnectionFactories().get(0); if (poolName.equals(connectionFactory.getPool().getName())) { PoolConfiguration pc = conn.getConnectionFactories().get(0).getPoolConfiguration(); result.add(pc); } } } result.trimToSize(); return result; } } }