/*
* $Id: EvaluatorBean.java,v 1.9 2007/04/27 22:01:50 ofung Exp $
*/
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package com.sun.faces.systest;
import javax.faces.event.ActionEvent;
import javax.faces.context.FacesContext;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIOutput;
import javax.faces.component.UIComponent;
import javax.el.ValueExpression;
import java.util.Date;
import java.util.Random;
import java.util.List;
import java.util.ArrayList;
import java.util.BitSet;
import java.text.SimpleDateFormat;
import java.io.PrintStream;
import com.sun.faces.util.MultiThreadTestRunner;
public class EvaluatorBean extends Object {
public EvaluatorBean() {
random = new Random(32714);
}
Random random = null;
protected int reps = 30000;
public int getReps() {
return reps;
}
public void setReps(int newReps) {
reps = newReps;
}
protected int numThreads = 1;
public int getNumThreads() {
return numThreads;
}
public void setNumThreads(int newNumThreads) {
numThreads = newNumThreads;
}
protected Object [] threadOutcomes;
public Object [] getThreadOutcomes() {
return threadOutcomes;
}
public void setThreadOutcomes(Object [] newThreadOutcomes) {
threadOutcomes = newThreadOutcomes;
}
private long start = 0;
private long end = 0;
private SimpleDateFormat formatter = new SimpleDateFormat("mm:ss:SS");
public String getElapsedTime() {
long elapsedSeconds = end - start;
end = start = 0;
return formatter.format(new Date(elapsedSeconds));
}
public void doGet(ActionEvent event) {
int i = 0;
FacesContext context = FacesContext.getCurrentInstance();
String id = event.getComponent().getId();
// strip off the first character
id = "i" + id.substring(1);
// get the expression to evaluate
UIOutput output = (UIOutput) context.getViewRoot().findComponent("form" + NamingContainer.SEPARATOR_CHAR + id);
String expression = "#{" + output.getValue() + "}";
ValueExpression vb =
context.getApplication().getExpressionFactory().
createValueExpression(context.getELContext(),expression, Object.class);
// if the user wants to show results
if (showResults) {
// clear the buffer for the new results
results = new StringBuffer();
}
// evaluate it as a get, reps number of times
start = System.currentTimeMillis();
for (i = 0; i < reps; i++) {
if (showResults) {
results.append(vb.getValue(context.getELContext()) + "\n");
}
else {
vb.getValue(context.getELContext());
}
}
end = System.currentTimeMillis();
}
public void doAttributeMapGet(ActionEvent event) throws Exception {
int i = 0;
FacesContext context = FacesContext.getCurrentInstance();
// Create numThreads Threads passing in a new UIComponent with an
// attribute "foo" value "bar" to the ctor.
Thread threads[] = new Thread[numThreads];
UIComponent curInput = null;
threadOutcomes = new Object[numThreads];
Runnable runnable = null;
// initialize threads array
for (i = 0; i < numThreads; i++) {
curInput =
context.getApplication().createComponent("javax.faces.Input");
curInput.getAttributes().put("foo", "bar");
runnable = new AttributeGetRunnable(curInput, getReps(), "foo",
random, i,
true,
System.out,
this);
threads[i] = new Thread(runnable, "TestThread" + i);
}
MultiThreadTestRunner runner =
new MultiThreadTestRunner(threads, threadOutcomes);
// if the user wants to show results
if (showResults) {
// clear the buffer for the new results
results = new StringBuffer();
}
// evaluate it as a get, reps number of times
start = System.currentTimeMillis();
boolean foundFailedThread = false;
foundFailedThread = runner.runThreadsAndOutputResults(System.out);
end = System.currentTimeMillis();
}
protected boolean showResults = false;
public boolean isShowResults() {
return showResults;
}
public void setShowResults(boolean newShowResults) {
showResults = newShowResults;
}
protected String [] expressions;
public String [] getExpressions() {
return expressions;
}
public void setExpressions(String [] newExpressions) {
expressions = newExpressions;
}
protected StringBuffer results = new StringBuffer();
public String getResults() {
return results.toString();
}
public void setResults(String newResults) {
results = new StringBuffer(newResults);
}
// Each Thread has an index assigned to it and does reps get()
// operations on the attribute map for key, pausing for a Random
// amount of millis between each get. EvaluatorBean maintains an
// Object array property threadOutcomes of length numThreads that
// stores the outcomes of the Threads. Each Thread writes its
// outcome to the entry at the Thread's index into the
// threadOutcomes array. If an exception is thrown, it is written
// to the array. If the Thread executes successfully, a success
// message is written to the threadOutcomes array.
public static class AttributeGetRunnable extends Object implements Runnable {
UIComponent component = null;
int reps = 1;
Object key = null;
Random random = null;
boolean sleepBetweenGets = true;
int index = 0;
EvaluatorBean host = null;
PrintStream out = null;
public AttributeGetRunnable(UIComponent component, int reps,
Object key, Random random, int index,
boolean sleepBetweenGets,
PrintStream out,
EvaluatorBean host) {
this.component = component;
this.reps = reps;
this.key = key;
this.random = random;
this.index = index;
this.sleepBetweenGets = sleepBetweenGets;
this.out = out;
this.host = host;
}
public void run() {
String name = Thread.currentThread().getName();
for (int i = 0; i < reps; i++) {
try {
component.getAttributes().get(key);
}
catch (Exception e) {
host.getThreadOutcomes()[index] = e;
System.out.println("index: " + index + " exception on get(): " + e.getMessage());
return;
}
if (sleepBetweenGets) {
try {
Thread.sleep(0L, Math.abs(random.nextInt()) % 100);
}
catch (InterruptedException e) {
host.getThreadOutcomes()[index] = e;
return;
}
}
}
host.getThreadOutcomes()[index] = name + " executed successfully.";
}
}
}