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/***** BEGIN LICENSE BLOCK *****
 * Version: CPL 1.0/GPL 2.0/LGPL 2.1
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 * the License at http://www.eclipse.org/legal/cpl-v10.html
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 * 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) 2009, 2010 Wayne Meissner
 *
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 * 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
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package org.jruby.cext;

import org.jruby.RubyModule;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;

/**
 * {@link NativeMethod0} represents an arity-0 native method. This class is for call optimization.
 */
public final class NativeMethod0 extends NativeMethod {
    public NativeMethod0(RubyModule clazz, int arity, long function) {
        super(clazz, arity, function);
    }

    @Override
    public final IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name) {
        pre(context, self, getImplementationClass(), name);
        try {
            return getNativeInstance().callMethod0(function, Handle.nativeHandle(self));
        } finally {
            post(context);
        }
    }

    @Override
    public final IRubyObject call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, Block block) {
        pre(context, self, getImplementationClass(), name, block);
        try {
            return getNativeInstance().callMethod0(function, Handle.nativeHandle(self));
        } finally {
            post(context);
        }
    }
}




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