/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.drill.exec.compile;
import org.apache.drill.exec.ExecTest;
import org.codehaus.janino.ExpressionEvaluator;
import org.junit.Ignore;
import org.junit.Test;
public class TestClassCompilationTypes extends ExecTest{
static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(TestClassCompilationTypes.class);
@Ignore @Test
public void comparePerfs() throws Exception {
for(int i =0; i < 500; i++){
int r = 0;
long n0 = System.nanoTime();
r += janino();
long n1 = System.nanoTime();
//r += jdk();
long n2 = System.nanoTime();
long janinoT = (n1 - n0)/1000;
long jdkT = (n2 - n1)/1000;
System.out.println("Janino: " + janinoT + "micros. JDK: " + jdkT + "micros. Val" + r);
}
}
private int janino() throws Exception{
// Compile the expression once; relatively slow.
org.codehaus.janino.ExpressionEvaluator ee = new org.codehaus.janino.ExpressionEvaluator("c > d ? c : d", // expression
int.class, // expressionType
new String[] { "c", "d" }, // parameterNames
new Class[] { int.class, int.class } // parameterTypes
);
// Evaluate it with varying parameter values; very fast.
return (Integer) ee.evaluate(new Object[] { // parameterValues
new Integer(10), new Integer(11), });
}
private int jdk() throws Exception{
// Compile the expression once; relatively slow.
ExpressionEvaluator ee = new ExpressionEvaluator("c > d ? c : d", // expression
int.class, // expressionType
new String[] { "c", "d" }, // parameterNames
new Class[] { int.class, int.class } // parameterTypes
);
// Evaluate it with varying parameter values; very fast.
return (Integer) ee.evaluate(new Object[] { // parameterValues
new Integer(10), new Integer(11), });
}
}