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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2014 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package com.sun.enterprise.connectors;
import com.sun.enterprise.connectors.authentication.RuntimeSecurityMap;
import com.sun.enterprise.connectors.module.ConnectorApplication;
import com.sun.enterprise.deployment.ConnectorDescriptor;
import com.sun.enterprise.resource.DynamicallyReconfigurableResource;
import com.sun.logging.LogDomains;
import org.glassfish.connectors.config.ResourceAdapterConfig;
import org.glassfish.resourcebase.resources.api.PoolInfo;
import org.glassfish.resourcebase.resources.api.ResourceInfo;
import javax.resource.spi.ManagedConnectionFactory;
import javax.validation.Validator;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.*;
/**
* This is an registry class which holds various objects in hashMaps,
* hash tables, and vectors. These objects are updated and queried
* during various funtionalities of rar deployment/undeployment, resource
* creation/destruction
* Ex. of these objects are ResourcesAdapter instances, security maps for
* pool managed connection factories.
* It follows singleton pattern. i.e only one instance at any point of time.
*
* @author Binod P.G and Srikanth P
*/
public class ConnectorRegistry {
static final Logger _logger = LogDomains.getLogger(ConnectorRegistry.class, LogDomains.RSR_LOGGER);
protected static final ConnectorRegistry connectorRegistryInstance = new ConnectorRegistry();
/**
* resourceAdapters keeps track of all active resource
* adapters in the connector runtime.
* String:resourceadapterName Vs ActiveResourceAdapter
*/
protected final Map resourceAdapters;
protected final Map factories;
protected final Map resourceAdapterConfig;
protected final Map rarModules;
protected final Map beanValidators;
protected final ConcurrentMap resourceInfoVersion;
protected final Set resourceInfos;
protected final Set transparentDynamicReconfigPools;
protected final Map locks;
/**
* Return the ConnectorRegistry instance
*
* @return ConnectorRegistry instance which is a singleton
*/
public static ConnectorRegistry getInstance() {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("returning the connector registry");
}
return connectorRegistryInstance;
}
/**
* Protected constructor.
* It is protected as it follows singleton pattern.
*/
protected ConnectorRegistry() {
resourceAdapters = Collections.synchronizedMap(new HashMap());
factories = Collections.synchronizedMap(new HashMap());
resourceAdapterConfig = Collections.synchronizedMap(new HashMap());
rarModules = Collections.synchronizedMap(new HashMap());
beanValidators = Collections.synchronizedMap(new HashMap());
resourceInfoVersion = new ConcurrentHashMap();
resourceInfos = new HashSet();
transparentDynamicReconfigPools = new HashSet();
locks = new HashMap();
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "initialized the connector registry");
}
}
/**
* Adds the object implementing ActiveResourceAdapter
* interface to the registry.
*
* @param rarModuleName RarName which is the key
* @param rar ActiveResourceAdapter instance which is the value.
*/
public void addActiveResourceAdapter(String rarModuleName,
ActiveResourceAdapter rar) {
resourceAdapters.put(rarModuleName, rar);
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Added the active resource adapter to connector registry",
rarModuleName);
}
}
/**
* get the version counter of a resource info
* @param resourceInfo resource-name
* @return version counter. {@code -1L} if the resource is invalid
*/
public long getResourceInfoVersion(ResourceInfo resourceInfo) {
AtomicLong version = resourceInfoVersion.get(resourceInfo);
if (version == null) {
// resource is no longer valid
return -1L;
} else {
return version.get();
}
}
/**
* Update version information for a resource.
* @param resourceInfo resource info to be updated.
* @return new version couter
*/
public long updateResourceInfoVersion(ResourceInfo resourceInfo) {
AtomicLong version = resourceInfoVersion.get(resourceInfo);
if (version == null) {
AtomicLong newVersion = new AtomicLong();
version = resourceInfoVersion.putIfAbsent(resourceInfo, newVersion);
if (version == null) {
version = newVersion;
}
}
return version.incrementAndGet();
}
/**
* remove and invalidate factories (proxy to actual factory) using the resource.
* @param resourceInfo resource-name
* @return boolean indicating whether the factories will get invalidated
*/
public boolean removeResourceFactories(ResourceInfo resourceInfo){
resourceInfoVersion.remove(resourceInfo);
return false; // we actually don't know if there are any resource factories instantiated.
}
/**
* Add resourceInfo that is deployed for book-keeping purposes.
* @param resourceInfo Resource being deployed.
*/
public void addResourceInfo(ResourceInfo resourceInfo){
if(resourceInfo != null){
synchronized (resourceInfos){
resourceInfos.add(resourceInfo);
}
updateResourceInfoVersion(resourceInfo);
}
}
/**
* Remove ResourceInfo from registry. Called when resource is disabled/undeployed.
* @param resourceInfo ResourceInfo
* @return boolean indicating whether resource exists and removed.
*/
public boolean removeResourceInfo(ResourceInfo resourceInfo){
boolean removed = false;
if(resourceInfo != null){
synchronized (resourceInfos){
removed = resourceInfos.remove(resourceInfo);
}
resourceInfoVersion.remove(resourceInfo);
}
return removed;
}
/**
* indicates whether the resource is deployed (enabled)
* @param resourceInfo resource-info
* @return boolean indicating whether the resource is deployed.
*/
public boolean isResourceDeployed(ResourceInfo resourceInfo){
boolean isDeployed = false;
if(resourceInfo != null){
isDeployed = resourceInfos.contains(resourceInfo);
}
return isDeployed;
}
/**
* Add PoolInfo that has transparent-dynamic-reconfiguration enabled .
* @param poolInfo Pool being deployed.
*/
public void addTransparentDynamicReconfigPool(PoolInfo poolInfo){
if(poolInfo != null){
synchronized (transparentDynamicReconfigPools){
transparentDynamicReconfigPools.add(poolInfo);
}
}
}
/**
* Remove ResourceInfo from registry. Called when resource is disabled/undeployed.
* @param poolInfo poolInfo
* @return boolean indicating whether the pool exists and removed.
*/
public boolean removeTransparentDynamicReconfigPool(PoolInfo poolInfo){
boolean removed = false;
if(poolInfo != null){
synchronized (transparentDynamicReconfigPools){
removed = transparentDynamicReconfigPools.remove(poolInfo);
}
}
return removed;
}
/**
* indicates whether the pool has transparent-dynamic-reconfiguration property enabled
* @param poolInfo poolInfo
* @return boolean false if pool is not deployed
*/
public boolean isTransparentDynamicReconfigPool(PoolInfo poolInfo){
boolean isDeployed = false;
if(poolInfo != null){
isDeployed = transparentDynamicReconfigPools.contains(poolInfo);
}
return isDeployed;
}
/**
* Removes the object implementing ActiveResourceAdapter
* interface from the registry.
* This method is called whenever an active connector module
* is removed from the Connector runtime. [eg. undeploy/recreate etc]
*
* @param rarModuleName RarName which is the key
* @return true if successfully removed
* false if deletion fails.
*/
public boolean removeActiveResourceAdapter(String rarModuleName) {
Object o = resourceAdapters.remove(rarModuleName);
if (o == null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("Failed to remove the resource adapter from connector registry" +
rarModuleName);
}
return false;
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("removed the active resource adapter from connector registry" +
rarModuleName);
}
return true;
}
}
/**
* Retrieves the object implementing ActiveResourceAdapter interface
* from the registry. Key is the rarName.
*
* @param rarModuleName Rar name. It is the key
* @return object implementing ActiveResourceAdapter interface
*/
public ActiveResourceAdapter getActiveResourceAdapter(
String rarModuleName) {
if (rarModuleName != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine(
"returning/found the resource adapter from connector registry " +
rarModuleName);
}
return resourceAdapters.get(rarModuleName);
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine(
"resource-adapter not found in connector registry. Returning null");
}
return null;
}
}
/**
* lock object that will be used by ResourceAdapterAdminService
* to avoid multiple calls to create ActiveRA for same resource-adapter
* @param rarName resource-adapter name
* @return lock object for the resource-adapter
*/
public Object getLockObject(String rarName) {
if (rarName == null) {
return null;
}
Object lock;
synchronized (locks) {
lock = locks.get(rarName);
if (lock == null) {
lock = new Object();
locks.put(rarName, lock);
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("added lock-object [ " + lock + " ] for rar : " + rarName);
}
}
}
return lock;
}
/**
* removes the lock-object used for creating the ActiveRA for a particular RAR
* @param rarName resource-adapter
*/
public void removeLockObject(String rarName) {
if (rarName == null) {
return;
}
synchronized (locks) {
Object lock = locks.remove(rarName);
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("removed lock-object [ " + lock + " ] for rar : " + rarName);
}
}
}
/**
* Adds the bean validator to the registry.
*
* @param rarModuleName RarName which is the key
* @param validator to be added to registry
*/
public void addBeanValidator(String rarModuleName, Validator validator){
beanValidators.put(rarModuleName, validator);
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "Added the bean validator for RAR [ "+rarModuleName+" ] to connector registry");
}
}
/**
* Retrieves the bean validator of a resource-adapter
* from the registry. Key is the rarName.
*
* @param rarModuleName Rar name. It is the key
* @return bean validator
*/
public Validator getBeanValidator(String rarModuleName){
if (rarModuleName != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine(
"returning/found the validator for RAR [ "+rarModuleName+" ] from connector registry");
}
return beanValidators.get(rarModuleName);
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine(
"bean validator for RAR not found in connector registry.Returning null");
}
return null;
}
}
/**
* Removes the bean validator of a resource-adapter
* from the registry.
* This method is called whenever an active connector module
* is removed from the Connector runtime. [eg. undeploy/recreate etc]
*
* @param rarModuleName RarName which is the key
* @return true if successfully removed
* false if deletion fails.
*/
public boolean removeBeanValidator(String rarModuleName) {
Object o = beanValidators.remove(rarModuleName);
if (o == null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("Failed to remove the bean validator for RAR [ "+rarModuleName+" ] from connector registry");
}
return false;
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("removed the active bean validator for RAR [ "+rarModuleName +" ] from connector registry");
}
return true;
}
}
/**
* Checks if the MCF pertaining to the pool is instantiated and present
* in the registry. Each pool has its own MCF instance.
*
* @param poolInfo Name of the pool
* @return true if the MCF is found.
* false if MCF is not found
*/
public boolean isMCFCreated(PoolInfo poolInfo) {
boolean created = factories.containsKey(poolInfo);
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("isMCFCreated " + poolInfo + " - " + created);
}
return created;
}
/**
* Remove MCF instance pertaining to the poolName from the registry.
*
* @param poolInfo Name of the pool
* @return true if successfully removed.
* false if removal fails.
*/
public boolean removeManagedConnectionFactory(PoolInfo poolInfo) {
if (factories.remove(poolInfo) == null) {
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Failed to remove the MCF from connector registry.", poolInfo);
}
return false;
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("removeMCF " + poolInfo + " - " + !factories.containsKey(poolInfo));
}
return true;
}
}
/**
* Add MCF instance pertaining to the poolName to the registry.
*
* @param poolInfo Name of the pool
* @param pmd MCF instance to be added.
*/
public void addManagedConnectionFactory(PoolInfo poolInfo,
PoolMetaData pmd) {
factories.put(poolInfo, pmd);
if(_logger.isLoggable(Level.FINE)) {
_logger.fine("Added MCF to connector registry for: " + poolInfo);
}
}
/**
* Retrieve MCF instance pertaining to the poolName from the registry.
*
* @param poolInfo Name of the pool
* @return factory MCF instance retrieved.
*/
public ManagedConnectionFactory getManagedConnectionFactory(
PoolInfo poolInfo) {
if (poolInfo != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Returning the MCF from connector registry.", poolInfo);
}
PoolMetaData pmd = factories.get(poolInfo);
if (pmd != null) {
return pmd.getMCF();
}
}
return null;
}
/**
* Checks whether the rar is already deployed i.e registered with
* connector registry
*
* @param rarModuleName rar Name.
* @return true if rar is registered
* false if rar is not registered.
*/
public boolean isRegistered(String rarModuleName) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Checking for MCF presence in connector registry.", rarModuleName);
}
return resourceAdapters.containsKey(rarModuleName);
}
/**
* Gets the connector descriptor pertaining the rar
*
* @param rarModuleName rarName
* @return ConnectorDescriptor which represents the ra.xml
*/
public ConnectorDescriptor getDescriptor(String rarModuleName) {
ActiveResourceAdapter ar = null;
if (rarModuleName != null) {
ar = resourceAdapters.get(rarModuleName);
}
if (ar != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Found/returing Connector descriptor in connector registry.",
rarModuleName);
}
return ar.getDescriptor();
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Couldnot find Connector descriptor in connector registry.",
rarModuleName);
}
return null;
}
}
/** Gets the runtime equivalent of policies enforced by the Security Maps
* pertaining to a pool from the Pool's Meta Data.
* @param poolInfo pool information
* @return runtimeSecurityMap in the form of HashMap of
* HashMaps (user and groups).
* @see SecurityMapUtils.processSecurityMaps( SecurityMap[])
*/
public RuntimeSecurityMap getRuntimeSecurityMap(PoolInfo poolInfo) {
if(poolInfo != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "Returing the security map from connector registry.", poolInfo);
}
PoolMetaData pmd = factories.get(poolInfo);
return pmd.getRuntimeSecurityMap();
} else {
return null;
}
}
/**
* Get the resource adapter config properties object registered with
* registry against the rarName.
*
* @param rarName Name of the rar
* @return ResourceAdapter configuration object
*/
public ResourceAdapterConfig getResourceAdapterConfig(String rarName) {
if (rarName != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Returing the resourceadapter Config from registry.", rarName);
}
return resourceAdapterConfig.get(rarName);
} else {
return null;
}
}
/**
* Add the resource adapter config properties object to registry
* against the rarName.
*
* @param rarName Name of the rar
* @param raConfig ResourceAdapter configuration object
*/
public void addResourceAdapterConfig(String rarName,
ResourceAdapterConfig raConfig) {
if (rarName != null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Adding the resourceAdapter Config to connector registry.",
rarName);
}
resourceAdapterConfig.put(rarName, raConfig);
}
}
/**
* Remove the resource adapter config properties object from registry
*
* @param rarName Name of the rar
* @return true if successfully deleted
* false if deletion fails
*/
public boolean removeResourceAdapterConfig(String rarName) {
if (resourceAdapterConfig.remove(rarName) == null) {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"failed to remove the resourceAdapter config from registry.",
rarName);
}
return false;
} else {
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE,
"Removed the resourceAdapter config map from registry.",
rarName);
}
return true;
}
}
/**
* Returns all Active Resource Adapters in the connector runtime.
*
* @return All active resource adapters in the connector runtime
*/
public ActiveResourceAdapter[] getAllActiveResourceAdapters() {
ActiveResourceAdapter araArray[] = new ActiveResourceAdapter[this.resourceAdapters.size()];
return this.resourceAdapters.values().toArray(araArray);
}
public PoolMetaData getPoolMetaData(PoolInfo poolInfo) {
return factories.get(poolInfo);
}
/**
* register a connector application (rarModule) with the registry
* @param rarModule resource-adapter module
*/
public void addConnectorApplication(ConnectorApplication rarModule){
rarModules.put(rarModule.getModuleName(), rarModule);
}
/**
* retrieve a connector application (rarModule) from the registry
* @param rarName resource-adapter name
* @return ConnectorApplication app
*/
public ConnectorApplication getConnectorApplication(String rarName){
return rarModules.get(rarName);
}
/**
* remove a connector application (rarModule) from the registry
* @param rarName resource-adapter module
*/
public void removeConnectorApplication(String rarName){
rarModules.remove(rarName);
}
/**
* get the list of resource-adapters that support this message-listener-type
* @param messageListener message-listener class-name
* @return List of resource-adapters
*/
public List getConnectorsSupportingMessageListener(String messageListener){
List rars = new ArrayList();
for(ActiveResourceAdapter ara : resourceAdapters.values()){
ConnectorDescriptor desc = ara.getDescriptor();
if(desc.getInBoundDefined()){
if(desc.getInboundResourceAdapter().getMessageListener(messageListener) != null){
rars.add(ara.getModuleName());
}
}
}
return rars;
}
}
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