com.maxifier.mxcache.transform.BoxTransformGenerator Maven / Gradle / Ivy

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Constains all classes necessary for launching a MxCache-instrumentated application

There is a newer version: 2.6.9

/*
 * Copyright (c) 2008-2014 Maxifier Ltd. All Rights Reserved.
 */
package com.maxifier.mxcache.transform;

import com.maxifier.mxcache.asm.Type;
import com.maxifier.mxcache.asm.commons.GeneratorAdapter;
import com.maxifier.mxcache.util.ClassGenerator;

import javax.annotation.Nonnull;

/**
 * @author Alexander Kochurov ([email protected])
*/
public class BoxTransformGenerator extends ScalarTransformGenerator {
    private final Type type;

    public BoxTransformGenerator(@Nonnull Type type) {
        this.type = type;
    }

    @Override
    public void generateForward(Type thisType, int fieldIndex, GeneratorAdapter method) {
        method.box(type);
    }

    @Override
    public void generateBackward(Type thisType, int fieldIndex, GeneratorAdapter method) {
        method.unbox(type);
    }

    @Override
    public void generateFields(Type thisType, int fieldIndex, ClassGenerator writer) {
    }

    @Override
    public void generateAcquire(Type thisType, int fieldIndex, GeneratorAdapter ctor, int contextLocal) {
    }

    @Override
    public int getFieldCount() {
        return 0;
    }

    @Override
    public Class getTransformedType(Class in) {
        return Object.class;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        BoxTransformGenerator that = (BoxTransformGenerator) o;
        return type.equals(that.type);

    }

    @Override
    public int hashCode() {
        return type.hashCode();
    }

    @Override
    public String toString() {
        return "box " + type.getClassName();
    }
}