BEGIN LICENSE BLOCK *****
Version: EPL 2.0/GPL 2.0/LGPL 2.1
The contents of this file are subject to the Eclipse Public
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.eclipse.org/legal/epl-v20.html
Software distributed under the License is distributed on an "AS
IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
Copyright (C) 2002-2004 Jan Arne Petersen 
Copyright (C) 2004-2005 Thomas E Enebo 
Alternatively, the contents of this file may be used under the terms of
either of the GNU General Public License Version 2 or later (the "GPL"),
or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
under the terms of either the GPL or the LGPL, and not to allow others to
use your version of this file under the terms of the EPL, indicate your
decision by deleting the provisions above and replace them with the notice
and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
the terms of any one of the EPL, the GPL or the LGPL.
END LICENSE BLOCK /***** BEGIN LICENSE BLOCK *****
 * Version: EPL 2.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Eclipse Public
 * 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.eclipse.org/legal/epl-v20.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
 * Copyright (C) 2004-2005 Thomas E Enebo <enebo@acm.org>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the EPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the EPL, the GPL or the LGPL.
 ***** END LICENSE BLOCK *****/

package org.jruby.internal.runtime.methods;

import org.jruby.RubyModule;
import org.jruby.runtime.Arity;
import org.jruby.runtime.Block;
import org.jruby.runtime.CallType;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.Visibility;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.ivars.MethodData;

public abstract class DelegatingDynamicMethod extends DynamicMethod {
    protected final DynamicMethod delegate;

    public DelegatingDynamicMethod(DynamicMethod delegate) {
        super(delegate.getImplementationClass(), delegate.getVisibility(), delegate.getName());
        this.delegate = delegate;
    }

    public DynamicMethod getDelegate() {
        return delegate;
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name) {
        return delegate.call(context, self, klazz, name);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg) {
        return delegate.call(context, self, klazz, name, arg);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, IRubyObject arg2) {
        return delegate.call(context, self, klazz, name, arg1, arg2);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, IRubyObject arg2, IRubyObject arg3) {
        return delegate.call(context, self, klazz, name, arg1, arg2, arg3);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject[] args) {
        return delegate.call(context, self, klazz, name, args);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, Block block) {
        return delegate.call(context, self, klazz, name, block);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, Block block) {
        return delegate.call(context, self, klazz, name, arg1, block);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, IRubyObject arg2, Block block) {
        return delegate.call(context, self, klazz, name, arg1, arg2, block);
    }
    
    @Override
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, IRubyObject arg2, IRubyObject arg3, Block block) {
        return delegate.call(context, self, klazz, name, arg1, arg2, arg3, block);
    }
    
    public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject[] args, Block block) {
        return delegate.call(context, self, klazz, name, args, block);
    }

    @Override
    public void setVisibility(Visibility visibility) {
        delegate.setVisibility(visibility);
    }

    @Override
    public void setIsBuiltin(boolean isBuiltin) {
        delegate.setIsBuiltin(isBuiltin);
    }

    @Override
    public void setImplementationClass(RubyModule implClass) {
        delegate.setImplementationClass(implClass);
    }

    @Override
    public boolean isNative() {
        return delegate.isNative();
    }

    @Override
    public boolean isCallableFrom(IRubyObject caller, CallType callType) {
        return delegate.isCallableFrom(caller, callType);
    }

    @Override
    public boolean isBuiltin() {
        return delegate.isBuiltin();
    }

    @Override
    public Visibility getVisibility() {
        return delegate.getVisibility();
    }

    @Override
    public long getSerialNumber() {
        return delegate.getSerialNumber();
    }

    @Override
    public DynamicMethod getRealMethod() {
        return delegate.getRealMethod();
    }

    @Override
    protected RubyModule getProtectedClass() {
        return delegate.getProtectedClass();
    }

    @Override
    public RubyModule getImplementationClass() {
        return delegate.getImplementationClass();
    }

    @Override
    public boolean isImplementedBy(RubyModule other) {
        return delegate.isImplementedBy(other);
    }

    @Override
    public Arity getArity() {
        return delegate.getArity();
    }

    @Override
    public String getName() {
        return delegate.getName();    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public boolean isNotImplemented() {
        return delegate.isNotImplemented();    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public void setNotImplemented(boolean setNotImplemented) {
        delegate.setNotImplemented(setNotImplemented);    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public MethodData getMethodData() {
        return delegate.getMethodData();    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public void setHandle(Object handle) {
        delegate.setHandle(handle);    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public Object getHandle() {
        return delegate.getHandle();    //To change body of overridden methods use File | Settings | File Templates.
    }

    @Override
    public boolean isRefined() {
        return delegate.isRefined();
    }

    @Override
    public abstract DynamicMethod dup();

    @Override
    /**
     * We override equals so that for method identity checks we treat delegating wrappers the same as the original
     * methods. See e.g. RubyClass.finvokeChecked and its method_missing comparison.
     */
    public boolean equals(Object other) {
        if (other instanceof DelegatingDynamicMethod) {
            return delegate.equals(((DelegatingDynamicMethod)other).getDelegate());
        }

        return delegate.equals(other);
    }
}