org.mvel2.optimizers.OptimizerHook Maven / Gradle / Ivy

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/**
 * MVEL 2.0
 * Copyright (C) 2007 The Codehaus
 * Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
 *
 * Licensed 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.mvel2.optimizers;

import org.mvel2.compiler.Accessor;

/**
 * @author Christopher Brock
 */
public interface OptimizerHook {

    /**
     * Should answer back whether or not this hook understands how to work with the current
     * optimizer.
     *
     * @param optimizer - class type of the current optimizer being used
     * @return boolean
     */
    public boolean isOptimizerSupported(Class optimizer);

    /**
     * The optimizer should delegate back to the hook through this method, passing an instance of itself
     * in the current state.
     *
     * @param optimizer - instance of optimizer
     * @return boolean
     */
    public Accessor generateAccessor(AccessorOptimizer optimizer);
}