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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 benchmarks.regression;
import com.google.caliper.SimpleBenchmark;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public final class PropertyAccessBenchmark extends SimpleBenchmark {
private View view = new View();
private Method setX;
private GeneratedProperty generatedSetter = new GeneratedSetter();
private GeneratedProperty generatedField = new GeneratedField();
private Field x;
private Object[] argsBox = new Object[1];
@Override protected void setUp() throws Exception {
setX = View.class.getDeclaredMethod("setX", float.class);
x = View.class.getDeclaredField("x");
}
public void timeDirectSetter(int reps) {
for (int i = 0; i < reps; i++) {
view.setX(0.1f);
}
}
public void timeDirectFieldSet(int reps) {
for (int i = 0; i < reps; i++) {
view.x = 0.1f;
}
}
public void timeDirectSetterAndBoxing(int reps) {
for (int i = 0; i < reps; i++) {
Float value = 0.1f;
view.setX(value);
}
}
public void timeDirectFieldSetAndBoxing(int reps) {
for (int i = 0; i < reps; i++) {
Float value = 0.1f;
view.x = value;
}
}
public void timeReflectionSetterAndTwoBoxes(int reps) throws Exception {
for (int i = 0; i < reps; i++) {
setX.invoke(view, 0.1f);
}
}
public void timeReflectionSetterAndOneBox(int reps) throws Exception {
for (int i = 0; i < reps; i++) {
argsBox[0] = 0.1f;
setX.invoke(view, argsBox);
}
}
public void timeReflectionFieldSet(int reps) throws Exception {
for (int i = 0; i < reps; i++) {
x.setFloat(view, 0.1f);
}
}
public void timeGeneratedSetter(int reps) throws Exception {
for (int i = 0; i < reps; i++) {
generatedSetter.setFloat(view, 0.1f);
}
}
public void timeGeneratedFieldSet(int reps) throws Exception {
for (int i = 0; i < reps; i++) {
generatedField.setFloat(view, 0.1f);
}
}
static class View {
float x;
public void setX(float x) {
this.x = x;
}
}
static interface GeneratedProperty {
void setFloat(View v, float f);
}
static class GeneratedSetter implements GeneratedProperty {
public void setFloat(View v, float f) {
v.setX(f);
}
}
static class GeneratedField implements GeneratedProperty {
public void setFloat(View v, float f) {
v.x = f;
}
}
}
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