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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.codehaus.groovy.runtime.callsite;
import groovy.lang.GroovyRuntimeException;
import groovy.lang.MetaClassImpl;
import groovy.lang.MetaMethod;
import org.codehaus.groovy.reflection.CachedMethod;
import org.codehaus.groovy.runtime.MetaClassHelper;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;
/**
* POJO call site
* meta class - cached
* method - cached
*
* @author Alex Tkachman
*/
public class StaticMetaMethodSite extends MetaMethodSite {
private final int version;
public StaticMetaMethodSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class params[]) {
super(site, metaClass, metaMethod, params);
version = metaClass.getVersion ();
}
public Object invoke(Object receiver, Object[] args) throws Throwable {
MetaClassHelper.unwrap(args);
try {
return metaMethod.doMethodInvoke(receiver, args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
protected final boolean checkCall(Object receiver, Object[] args) {
return receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, args);
}
protected final boolean checkCall(Object receiver) {
return receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params);
}
protected final boolean checkCall(Object receiver, Object arg1) {
return receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, arg1);
}
protected final boolean checkCall(Object receiver, Object arg1, Object arg2) {
return receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, arg1, arg2);
}
protected final boolean checkCall(Object receiver, Object arg1, Object arg2, Object arg3) {
return receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, arg1, arg2, arg3);
}
protected final boolean checkCall(Object receiver, Object arg1, Object arg2, Object arg3, Object arg4) {
return receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, arg1, arg2, arg3, arg4);
}
public Object call(Object receiver, Object[] args) throws Throwable {
if(checkCall(receiver, args)) {
try {
return invoke(receiver, args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
} else {
return CallSiteArray.defaultCall(this, receiver, args);
}
}
public Object callStatic(Class receiver, Object[] args) throws Throwable {
if(checkCall(receiver, args))
return invoke(receiver, args);
else
return CallSiteArray.defaultCallStatic(this, receiver, args);
}
public static CallSite createStaticMetaMethodSite(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class[] params, Object[] args) {
if (metaMethod.correctArguments(args) == args) {
if (noWrappers(args)) {
if (noCoerce(metaMethod,args))
return new StaticMetaMethodSiteNoUnwrap(site, metaClass, metaMethod, params);
else
if (metaMethod.getClass() == CachedMethod.class)
return ((CachedMethod)metaMethod).createStaticMetaMethodSite(site, metaClass, params);
else
return new StaticMetaMethodSiteNoUnwrapNoCoerce (site, metaClass, metaMethod, params);
}
}
return new StaticMetaMethodSite(site, metaClass, metaMethod, params);
}
/**
* Call site where we know there is no need to unwrap arguments
*/
public static class StaticMetaMethodSiteNoUnwrap extends StaticMetaMethodSite {
public StaticMetaMethodSiteNoUnwrap(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class params[]) {
super(site, metaClass, metaMethod, params);
}
public final Object invoke(Object receiver, Object[] args) throws Throwable {
try {
return metaMethod.doMethodInvoke(receiver, args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
}
/**
* Call site where we know there is no need neither unwrap nor coerce arguments
*/
public static class StaticMetaMethodSiteNoUnwrapNoCoerce extends StaticMetaMethodSite {
public StaticMetaMethodSiteNoUnwrapNoCoerce(CallSite site, MetaClassImpl metaClass, MetaMethod metaMethod, Class params[]) {
super(site, metaClass, metaMethod, params);
}
public final Object invoke(Object receiver, Object[] args) throws Throwable {
try {
return metaMethod.invoke(receiver, args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
}
}
