/jboss-as-7.1.1.Final/modcluster/src/main/java/org/jboss/as/modcluster/ModClusterAddMetric.java
Java | 114 lines | 75 code | 14 blank | 25 comment | 12 complexity | 7cfa51c7e154b11b4679f0489da5f8dd MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * 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.modcluster;
- import static org.jboss.as.modcluster.ModClusterMessages.MESSAGES;
- import java.util.Collections;
- import java.util.Iterator;
- import java.util.List;
- import java.util.Locale;
- 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.as.controller.descriptions.DescriptionProvider;
- import org.jboss.dmr.ModelNode;
- import org.jboss.dmr.Property;
- // implements ModelQueryOperationHandler, DescriptionProvider
- public class ModClusterAddMetric implements OperationStepHandler, DescriptionProvider {
- static final ModClusterAddMetric INSTANCE = new ModClusterAddMetric();
- @Override
- public ModelNode getModelDescription(Locale locale) {
- return ModClusterSubsystemDescriptions.getAddMetricDescription(locale);
- }
- @Override
- public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
- // Look for the dynamic-load-provider
- final ModelNode dynamicLoadProvider = context.readResourceForUpdate(PathAddress.EMPTY_ADDRESS).getModel()
- .get(CommonAttributes.DYNAMIC_LOAD_PROVIDER);
- // Add the metric to the dynamic-load-provider.
- final ModelNode metric = new ModelNode();
- List<Property> list = operation.asPropertyList();
- Iterator<Property> it = list.iterator();
- while (it.hasNext()) {
- Property prop = it.next();
- if (prop.getName().equals("property")) {
- String properties = prop.getValue().asString();
- ModelNode props = ModelNode.fromString(properties);
- metric.get("property").set(props);
- } else if (prop.getName().equals("type")) {
- metric.get(prop.getName()).set(prop.getValue().asString());
- }
- }
- if (!metric.get("type").isDefined()) {
- throw new OperationFailedException(new ModelNode().set(MESSAGES.typeAttributeRequired("add-metric")));
- }
- if (!dynamicLoadProvider.isDefined()) {
- // Create a default one.
- dynamicLoadProvider.get(CommonAttributes.HISTORY).set(9);
- dynamicLoadProvider.get(CommonAttributes.DECAY).set(2);
- }
- replaceMetric(dynamicLoadProvider, metric);
- if (context.isNormalServer()) {
- context.reloadRequired();
- }
- context.completeStep(new OperationContext.RollbackHandler() {
- @Override
- public void handleRollback(OperationContext context, ModelNode operation) {
- if (context.isNormalServer()) {
- context.revertReloadRequired();
- }
- }
- });
- }
- private void replaceMetric(ModelNode dynamicLoadProvider, ModelNode metric) {
- List<ModelNode> newlist = Collections.<ModelNode> emptyList();
- if (dynamicLoadProvider.get(CommonAttributes.LOAD_METRIC).isDefined()) {
- List<ModelNode> list = dynamicLoadProvider.get(CommonAttributes.LOAD_METRIC).asList();
- String type = metric.get("type").asString();
- Iterator<ModelNode> it = list.iterator();
- dynamicLoadProvider.get(CommonAttributes.LOAD_METRIC).set(newlist);
- while (it.hasNext()) {
- ModelNode node = it.next();
- if (!node.get("type").asString().equals(type)) {
- dynamicLoadProvider.get(CommonAttributes.LOAD_METRIC).add(node);
- }
- }
- } else {
- dynamicLoadProvider.get(CommonAttributes.LOAD_METRIC).set(newlist);
- }
- dynamicLoadProvider.get(CommonAttributes.LOAD_METRIC).add(metric);
- }
- }