org.jruby.runtime.ivars.FieldVariableAccessor Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jruby-complete Show documentation
There is a newer version: 9.4.9.0
/*
 ***** BEGIN LICENSE BLOCK *****
 * Version: EPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Eclipse Public
 * License Version 1.0 (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-v10.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.
 * 
 * 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.runtime.ivars;

import org.jruby.RubyClass;

/**
 * A variable accessor that accesses a field directly;
 */
public abstract class FieldVariableAccessor extends VariableAccessor {
    /** The offset of the field for this accessor */
    private final int offset;
    
    /**
     * Construct a new FieldVariableAccessor for the given "real" class,
     * variable name, variable index, class ID, and field offset
     * 
     * @param realClass the "real" class
     * @param name the variable's name
     * @param index the variable's index
     * @param classId the class's ID
     */
    public FieldVariableAccessor(RubyClass realClass, String name, int index, int classId, int offset) {
        super(realClass, name, index, classId);
        this.offset = offset;
    }
    
    /**
     * Get the field offset for this accessor.
     * 
     * @return offset of the field
     */
    public int getOffset() {
        return offset;
    }
}