/**
* Copyright (c) 2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wso2.carbon.priority.executors;
import org.apache.axis2.deployment.DeploymentEngine;
import org.apache.axis2.engine.AxisConfiguration;
import org.apache.synapse.commons.executors.PriorityExecutor;
import org.apache.synapse.config.SynapseConfiguration;
import org.apache.synapse.config.xml.MultiXMLConfigurationBuilder;
import org.apache.synapse.core.SynapseEnvironment;
import org.apache.synapse.deployers.SynapseArtifactDeploymentStore;
import org.apache.synapse.endpoints.Endpoint;
import org.wso2.carbon.mediation.initializer.ServiceBusConstants;
import org.wso2.carbon.mediation.initializer.ServiceBusUtils;
import org.wso2.carbon.mediation.initializer.services.SynapseRegistrationsService;
import org.wso2.carbon.utils.ConfigurationContextService;
import org.wso2.carbon.registry.core.service.RegistryService;
import org.wso2.carbon.registry.core.exceptions.RegistryException;
import org.wso2.carbon.priority.executors.util.ConfigHolder;
import org.wso2.carbon.mediation.initializer.services.SynapseEnvironmentService;
import org.wso2.carbon.mediation.initializer.services.SynapseConfigurationService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.utils.multitenancy.MultitenantConstants;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
/**
* @scr.component name="org.wso2.carbon.priority" immediate="true"
* @scr.reference name="configuration.context.service"
* interface="org.wso2.carbon.utils.ConfigurationContextService" cardinality="1..1"
* policy="dynamic" bind="setConfigurationContextService" unbind="unsetConfigurationContextService"
* @scr.reference name="synapse.config.service"
* interface="org.wso2.carbon.mediation.initializer.services.SynapseConfigurationService"
* cardinality="1..1" policy="dynamic" bind="setSynapseConfigurationService"
* unbind="unsetSynapseConfigurationService"
* @scr.reference name="synapse.env.service"
* interface="org.wso2.carbon.mediation.initializer.services.SynapseEnvironmentService"
* cardinality="1..n" policy="dynamic" bind="setSynapseEnvironmentService"
* unbind="unsetSynapseEnvironmentService"
* @scr.reference name="registry.service"
* interface="org.wso2.carbon.registry.core.service.RegistryService"
* cardinality="1..1" policy="dynamic"
* bind="setRegistryService" unbind="unsetRegistryService"
* @scr.reference name="synapse.registrations.service"
* interface="org.wso2.carbon.mediation.initializer.services.SynapseRegistrationsService"
* cardinality="1..n" policy="dynamic" bind="setSynapseRegistrationsService"
* unbind="unsetSynapseRegistrationsService"
*/
public class PriorityServiceComponent {
private static final Log log = LogFactory.getLog(PriorityServiceComponent.class);
private boolean activated = false;
private Map<Integer, SynapseEnvironmentService> synapseEnvironmentServices =
new HashMap<Integer, SynapseEnvironmentService>();
protected void activate(ComponentContext ctxt) {
try {
SynapseEnvironmentService synEnvService =
synapseEnvironmentServices.get(
MultitenantConstants.SUPER_TENANT_ID);
registerDeployer(ConfigHolder.getInstance().getAxisConfiguration(),
synEnvService.getSynapseEnvironment());
if (log.isDebugEnabled()) {
log.debug("Endpoint Admin bundle is activated ");
}
activated = true;
if (log.isDebugEnabled()) {
log.debug("Sequence Admin bundle is activated ");
}
} catch (Throwable e) {
log.error("Failed to activate Sequence Admin bundle ", e);
}
}
/**
* Un-registers the Endpoint deployer.
*
* @param axisConfig AxisConfiguration to which this deployer belongs
* @param synapseEnvironment SynapseEnvironment to which this deployer belongs
*/
private void unRegisterDeployer(AxisConfiguration axisConfig, SynapseEnvironment synapseEnvironment) {
if (axisConfig != null) {
DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
String synapseConfigPath = ServiceBusUtils.getSynapseConfigAbsPath(
synapseEnvironment.getServerContextInformation());
String endpointDirPath = synapseConfigPath
+ File.separator + MultiXMLConfigurationBuilder.EXECUTORS_DIR;
deploymentEngine.removeDeployer(
endpointDirPath, ServiceBusConstants.ARTIFACT_EXTENSION);
}
}
/**
* Registers the Endpoint deployer.
*
* @param axisConfig AxisConfiguration to which this deployer belongs
* @param synapseEnvironment SynapseEnvironment to which this deployer belongs
*/
private void registerDeployer(AxisConfiguration axisConfig,
SynapseEnvironment synapseEnvironment) {
SynapseConfiguration synCfg = synapseEnvironment.getSynapseConfiguration();
DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
SynapseArtifactDeploymentStore deploymentStore = synCfg.getArtifactDeploymentStore();
String synapseConfigPath = ServiceBusUtils.getSynapseConfigAbsPath(
synapseEnvironment.getServerContextInformation());
String endpointDirPath = synapseConfigPath
+ File.separator + MultiXMLConfigurationBuilder.EXECUTORS_DIR;
for (PriorityExecutor ep : synCfg.getPriorityExecutors().values()) {
if (ep.getFileName() != null) {
deploymentStore.addRestoredArtifact(
endpointDirPath + File.separator + ep.getFileName());
}
}
deploymentEngine.addDeployer(
new ExecutorDeployer(), endpointDirPath, ServiceBusConstants.ARTIFACT_EXTENSION);
}
protected void setConfigurationContextService(ConfigurationContextService cfgCtxService) {
ConfigHolder.getInstance().setAxisConfiguration(
cfgCtxService.getServerConfigContext().getAxisConfiguration());
}
protected void unsetConfigurationContextService(ConfigurationContextService cfgCtxService) {
ConfigHolder.getInstance().setAxisConfiguration(null);
}
protected void setSynapseConfigurationService(
SynapseConfigurationService synapseConfigurationService) {
ConfigHolder.getInstance().setSynapseConfiguration(
synapseConfigurationService.getSynapseConfiguration());
}
protected void unsetSynapseConfigurationService(
SynapseConfigurationService synapseConfigurationService) {
ConfigHolder.getInstance().setSynapseConfiguration(null);
}
protected void setSynapseEnvironmentService(
SynapseEnvironmentService synEnvSvc) {
boolean alreadyCreated = synapseEnvironmentServices.containsKey(
synEnvSvc.getTenantId());
synapseEnvironmentServices.put(
synEnvSvc.getTenantId(), synEnvSvc);
if (activated) {
if (!alreadyCreated) {
try {
registerDeployer(
synEnvSvc.getConfigurationContext().getAxisConfiguration(),
synEnvSvc.getSynapseEnvironment());
if (log.isDebugEnabled()) {
log.debug("Endpoint Admin bundle is activated ");
}
} catch (Throwable e) {
log.error("Failed to activate Endpoint Admin bundle ", e);
}
}
}
}
protected void unsetSynapseEnvironmentService(
SynapseEnvironmentService synEnvSvc) {
synapseEnvironmentServices.remove(synEnvSvc.getTenantId());
}
protected void setRegistryService(RegistryService regService) {
if (log.isDebugEnabled()) {
log.debug("RegistryService bound to the ESB initialization process");
}
try {
ConfigHolder.getInstance().setRegistry(regService.getConfigSystemRegistry());
} catch (RegistryException e) {
log.error("Couldn't retrieve the registry from the registry service");
}
}
protected void unsetRegistryService(RegistryService regService) {
if (log.isDebugEnabled()) {
log.debug("RegistryService unbound from the ESB environment");
}
ConfigHolder.getInstance().setRegistry(null);
}
protected void setSynapseRegistrationsService(
SynapseRegistrationsService synapseRegistrationsService) {
}
protected void unsetSynapseRegistrationsService(
SynapseRegistrationsService synapseRegistrationsService) {
int tenantId = synapseRegistrationsService.getTenantId();
if (synapseEnvironmentServices.containsKey(tenantId)) {
SynapseEnvironment env = synapseEnvironmentServices.get(tenantId).getSynapseEnvironment();
synapseEnvironmentServices.remove(
synapseRegistrationsService.getTenantId());
AxisConfiguration axisConfig = synapseRegistrationsService.getConfigurationContext().
getAxisConfiguration();
if (axisConfig != null) {
unRegisterDeployer(axisConfig, env);
}
}
}
}