/* * 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.wildfly.extension.messaging.activemq.ha; import static org.jboss.dmr.ModelType.BOOLEAN; import static org.jboss.dmr.ModelType.STRING; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.List; import org.apache.activemq.artemis.core.config.ScaleDownConfiguration; import org.jboss.as.controller.AttributeDefinition; import org.jboss.as.controller.AttributeMarshaller; import org.jboss.as.controller.AttributeParser; import org.jboss.as.controller.OperationContext; import org.jboss.as.controller.OperationFailedException; import org.jboss.as.controller.SimpleAttributeDefinition; import org.jboss.as.controller.SimpleAttributeDefinitionBuilder; import org.jboss.as.controller.StringListAttributeDefinition; import org.jboss.dmr.ModelNode; import org.wildfly.extension.messaging.activemq.CommonAttributes; /** * @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2014 Red Hat inc. */ public class ScaleDownAttributes { private static final String SCALE_DOWN_DISCOVERY_GROUP_STR = "scale-down-discovery-group"; private static final String SCALE_DOWN_CONNECTORS_STR = "scale-down-connectors"; // if the scale-down attribute is not defined, the whole scale down configuration is ignored public static SimpleAttributeDefinition SCALE_DOWN = SimpleAttributeDefinitionBuilder.create(CommonAttributes.SCALE_DOWN, BOOLEAN) .setAttributeGroup(CommonAttributes.SCALE_DOWN) .setXmlName(CommonAttributes.ENABLED) .setRequired(false) .setAllowExpression(true) .setRestartAllServices() .build(); public static SimpleAttributeDefinition SCALE_DOWN_CLUSTER_NAME = SimpleAttributeDefinitionBuilder.create("scale-down-cluster-name", STRING) .setAttributeGroup(CommonAttributes.SCALE_DOWN) .setXmlName(CommonAttributes.CLUSTER_NAME) .setRequired(false) .setAllowExpression(true) .setRestartAllServices() .build(); public static SimpleAttributeDefinition SCALE_DOWN_GROUP_NAME = SimpleAttributeDefinitionBuilder.create("scale-down-group-name", STRING) .setAttributeGroup(CommonAttributes.SCALE_DOWN) .setXmlName(CommonAttributes.GROUP_NAME) .setRequired(false) .setAllowExpression(true) .setRestartAllServices() .build(); public static SimpleAttributeDefinition SCALE_DOWN_DISCOVERY_GROUP = SimpleAttributeDefinitionBuilder.create(SCALE_DOWN_DISCOVERY_GROUP_STR, STRING) .setAttributeGroup(CommonAttributes.SCALE_DOWN) .setXmlName(CommonAttributes.DISCOVERY_GROUP) .setRequired(false) .setAlternatives(SCALE_DOWN_CONNECTORS_STR) .setRestartAllServices() .build(); public static AttributeDefinition SCALE_DOWN_CONNECTORS = new StringListAttributeDefinition.Builder(SCALE_DOWN_CONNECTORS_STR) .setAttributeGroup(CommonAttributes.SCALE_DOWN) .setXmlName(CommonAttributes.CONNECTORS) .setAlternatives(SCALE_DOWN_DISCOVERY_GROUP_STR) .setRequired(false) .setAttributeMarshaller(AttributeMarshaller.STRING_LIST) .setAttributeParser(AttributeParser.STRING_LIST) .setRestartAllServices() .build(); public static Collection<AttributeDefinition> SCALE_DOWN_ATTRIBUTES = Collections.unmodifiableList(Arrays.asList( SCALE_DOWN, SCALE_DOWN_CLUSTER_NAME, SCALE_DOWN_GROUP_NAME, SCALE_DOWN_DISCOVERY_GROUP, SCALE_DOWN_CONNECTORS )); static ScaleDownConfiguration addScaleDownConfiguration(OperationContext context, ModelNode model) throws OperationFailedException { if (!model.hasDefined(SCALE_DOWN.getName())) { return null; } ScaleDownConfiguration scaleDownConfiguration = new ScaleDownConfiguration(); scaleDownConfiguration.setEnabled(SCALE_DOWN.resolveModelAttribute(context, model).asBoolean()); ModelNode clusterName = SCALE_DOWN_CLUSTER_NAME.resolveModelAttribute(context, model); if (clusterName.isDefined()) { scaleDownConfiguration.setClusterName(clusterName.asString()); } ModelNode groupName = SCALE_DOWN_GROUP_NAME.resolveModelAttribute(context, model); if (groupName.isDefined()) { scaleDownConfiguration.setGroupName(groupName.asString()); } ModelNode discoveryGroupName = SCALE_DOWN_DISCOVERY_GROUP.resolveModelAttribute(context, model); if (discoveryGroupName.isDefined()) { scaleDownConfiguration.setDiscoveryGroup(discoveryGroupName.asString()); } ModelNode connectors = SCALE_DOWN_CONNECTORS.resolveModelAttribute(context, model); if (connectors.isDefined()) { List<String> connectorNames = new ArrayList<>(connectors.keys()); scaleDownConfiguration.setConnectors(connectorNames); } return scaleDownConfiguration; } }