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Embedded-Web Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2008-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* recipient has the option to distribute your version of this file under
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* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright [2016] [Payara Foundation]
package org.glassfish.api.invocation;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Stack;
import java.util.HashMap;
import java.util.Map;
import org.glassfish.api.invocation.ComponentInvocation.ComponentInvocationType;
import org.jvnet.hk2.annotations.Optional;
import org.jvnet.hk2.annotations.Service;
import javax.inject.Singleton;
import org.glassfish.hk2.api.IterableProvider;
import javax.inject.Inject;
@Service
@Singleton
public class InvocationManagerImpl
implements InvocationManager {
// This TLS variable stores an ArrayList.
// The ArrayList contains ComponentInvocation objects which represent
// the stack of invocations on this thread. Accesses to the ArrayList
// dont need to be synchronized because each thread has its own ArrayList.
private InheritableThreadLocal> frames;
private final ThreadLocal> applicationEnvironments =
new ThreadLocal>() {
@Override
protected Stack initialValue() {
return new Stack();
}
};
private Map> regCompInvHandlerMap
= new HashMap>();
private final ComponentInvocationHandler[] invHandlers;
public InvocationManagerImpl() {
this(null);
}
@Inject
private InvocationManagerImpl(@Optional IterableProvider handlers) {
if (handlers == null) {
invHandlers = null;
}
else {
LinkedList localHandlers = new LinkedList();
for (ComponentInvocationHandler handler : handlers) {
localHandlers.add(handler);
}
if (localHandlers.size() > 0) {
invHandlers = localHandlers.toArray(new ComponentInvocationHandler[localHandlers.size()]);
}
else {
invHandlers = null;
}
}
frames = new InheritableThreadLocal>() {
protected InvocationArray initialValue() {
return new InvocationArray();
}
// if this is a thread created by user in servlet's service method
// create a new ComponentInvocation with transaction
// set to null and instance set to null
// so that the resource won't be enlisted or registered
protected InvocationArray childValue(InvocationArray parentValue) {
// always creates a new ArrayList
InvocationArray result = new InvocationArray();
InvocationArray v = parentValue;
if (v.size() > 0 && v.outsideStartup()) {
// get current invocation
ComponentInvocation parentInv = v.get(v.size() - 1);
/*
TODO: The following is ugly. The logic of what needs to be in the
new ComponentInvocation should be with the respective container
*/
if (parentInv.getInvocationType() == ComponentInvocationType.SERVLET_INVOCATION) {
ComponentInvocation inv = new ComponentInvocation();
inv.componentId = parentInv.getComponentId();
inv.setComponentInvocationType(parentInv.getInvocationType());
inv.instance = null;
inv.container = parentInv.getContainerContext();
inv.transaction = null;
result.add(inv);
} else if (parentInv.getInvocationType() != ComponentInvocationType.EJB_INVOCATION) {
// Push a copy of invocation onto the new result
// ArrayList
ComponentInvocation cpy = new ComponentInvocation();
cpy.componentId = parentInv.getComponentId();
cpy.setComponentInvocationType(parentInv.getInvocationType());
cpy.instance = parentInv.getInstance();
cpy.container = parentInv.getContainerContext();
cpy.transaction = parentInv.getTransaction();
result.add(cpy);
}
}
return result;
}
};
}
public void preInvoke(T inv)
throws InvocationException {
InvocationArray v = frames.get();
if (inv.getInvocationType() == ComponentInvocationType.SERVICE_STARTUP) {
v.setInvocationAttribute(ComponentInvocationType.SERVICE_STARTUP);
return;
}
int beforeSize = v.size();
ComponentInvocation prevInv = beforeSize > 0 ? v.get(beforeSize - 1) : null;
// if ejb call EJBSecurityManager, for servlet call RealmAdapter
ComponentInvocationType invType = inv.getInvocationType();
if (invHandlers != null) {
for (ComponentInvocationHandler handler : invHandlers) {
handler.beforePreInvoke(invType, prevInv, inv);
}
}
List setCIH = regCompInvHandlerMap.get(invType);
if (setCIH != null) {
for (int i=0;i void postInvoke(T inv)
throws InvocationException {
// Get this thread's ArrayList
InvocationArray v = frames.get();
if (inv.getInvocationType() == ComponentInvocationType.SERVICE_STARTUP) {
v.setInvocationAttribute(ComponentInvocationType.UN_INITIALIZED);
return;
}
int beforeSize = v.size();
if (beforeSize == 0) {
throw new InvocationException();
}
ComponentInvocation prevInv = beforeSize > 1 ? v.get(beforeSize - 2) : null;
ComponentInvocation curInv = v.get(beforeSize - 1);
try {
ComponentInvocationType invType = inv.getInvocationType();
if (invHandlers != null) {
for (ComponentInvocationHandler handler : invHandlers) {
handler.beforePostInvoke(invType, prevInv, curInv);
}
}
List setCIH = regCompInvHandlerMap.get(invType);
if (setCIH != null) {
for (int i=0;i setCIH = regCompInvHandlerMap.get(invType);
if (setCIH != null) {
for (int i=0;i T getCurrentInvocation() {
ArrayList v = (ArrayList) frames.get();
int size = v.size();
if (size == 0) {
return null;
}
return (T) v.get(size - 1);
}
/**
* return the Inovcation object of the caller
* return null if none exist (e.g. caller is from
* another VM)
*/
public T getPreviousInvocation()
throws InvocationException {
ArrayList v = frames.get();
int i = v.size();
if (i < 2) return null;
return (T) v.get(i - 2);
}
@Override
public List getAllInvocations() {
return frames.get();
}
@Override
public List popAllInvocations() {
List result = frames.get();
frames.set(null);
return result;
}
@Override
public void putAllInvocations(List invocations) {
frames.set(new InvocationArray<>((List) invocations));
}
static class InvocationArray extends java.util.ArrayList {
private ComponentInvocationType invocationAttribute;
private InvocationArray(List invocations) {
super(invocations);
}
private InvocationArray() {
}
public void setInvocationAttribute(ComponentInvocationType attribute) {
this.invocationAttribute = attribute;
}
public ComponentInvocationType getInvocationAttribute() {
return invocationAttribute;
}
public boolean outsideStartup() {
return getInvocationAttribute()
!= ComponentInvocationType.SERVICE_STARTUP;
}
}
public void registerComponentInvocationHandler(ComponentInvocationType type, RegisteredComponentInvocationHandler handler) {
List setRegCompInvHandlers = regCompInvHandlerMap.get(type);
if (setRegCompInvHandlers == null) {
setRegCompInvHandlers = new ArrayList();
regCompInvHandlerMap.put(type, setRegCompInvHandlers);
}
if (setRegCompInvHandlers.size() == 0) {
setRegCompInvHandlers.add(handler);
}
}
@Override
public void pushAppEnvironment(ApplicationEnvironment env) {
Stack stack = applicationEnvironments.get();
stack.push(env);
}
@Override
public ApplicationEnvironment peekAppEnvironment() {
Stack stack = applicationEnvironments.get();
if (stack.isEmpty()) return null;
return stack.peek();
}
@Override
public void popAppEnvironment() {
Stack stack = applicationEnvironments.get();
if (!stack.isEmpty()) stack.pop();
}
}