1 /*******************************************************************************
2 * Copyright (c) 2013, 2014 Ericsson
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * Alexandre Montplaisir - Initial API and implementation
11 ******************************************************************************/
13 package org
.eclipse
.linuxtools
.lttng2
.kernel
.core
.tests
.stateprovider
;
16 import java
.io
.FileWriter
;
17 import java
.io
.PrintWriter
;
18 import java
.util
.List
;
20 import org
.eclipse
.linuxtools
.internal
.lttng2
.kernel
.core
.stateprovider
.LttngKernelStateProvider
;
21 import org
.eclipse
.linuxtools
.statesystem
.core
.ITmfStateSystem
;
22 import org
.eclipse
.linuxtools
.statesystem
.core
.interval
.ITmfStateInterval
;
23 import org
.eclipse
.linuxtools
.statesystem
.core
.statevalue
.ITmfStateValue
;
24 import org
.eclipse
.linuxtools
.tmf
.core
.statesystem
.ITmfStateProvider
;
25 import org
.eclipse
.linuxtools
.tmf
.core
.statesystem
.TmfStateSystemAnalysisModule
;
26 import org
.eclipse
.linuxtools
.tmf
.ctf
.core
.CtfTmfTrace
;
27 import org
.eclipse
.linuxtools
.tmf
.ctf
.core
.tests
.shared
.CtfTmfTestTrace
;
30 * Small program to regenerate the values used in "TestValues.java" from the
31 * current LTTng-kernel state provider.
33 * It will write its output the a file called 'TestValues<something>.java' in your
34 * temporary files directory.
36 * @author Alexandre Montplaisir
38 public class GenerateTestValues
{
40 private static CtfTmfTestTrace testTrace
= CtfTmfTestTrace
.TRACE2
;
41 private static final long targetTimestamp
= 18670067372290L + 1331649577946812237L;
42 private static final String INDENT
= " ";
48 * Command-line arguments, unused.
50 * I'm messing with Exception. Come at me bro!
52 public static void main(String
[] args
) throws Exception
{
53 if (!testTrace
.exists()) {
54 System
.err
.println("Trace files not present.");
58 /* Prepare the files */
59 File logFile
= File
.createTempFile("TestValues", ".java");
60 try (final CtfTmfTrace trace
= testTrace
.getTrace();
61 PrintWriter writer
= new PrintWriter(new FileWriter(logFile
), true);
62 /* Build and query the state system */
63 TmfStateSystemAnalysisModule module
= new TmfStateSystemAnalysisModule() {
65 protected ITmfStateProvider
createStateProvider() {
66 return new LttngKernelStateProvider(trace
);
70 protected String
getSsFileName() {
74 module
.setTrace(trace
);
75 module
.setId("test-values");
77 module
.waitForCompletion();
78 ITmfStateSystem ssq
= module
.getStateSystem();
80 throw new IllegalStateException();
83 List
<ITmfStateInterval
> fullState
= ssq
.queryFullState(targetTimestamp
);
85 /* Start printing the java file's contents */
86 writer
.println("interface TestValues {");
88 writer
.println(INDENT
+ "static final int size = " + fullState
.size() + ";");
91 /* Print the array contents */
92 writer
.println(INDENT
+ "static final long[] startTimes = {");
93 for (ITmfStateInterval interval
: fullState
) {
94 writer
.println(INDENT
+ INDENT
+ String
.valueOf(interval
.getStartTime()) + "L,");
96 writer
.println(INDENT
+ "};");
99 writer
.println(INDENT
+ "static final long[] endTimes = {");
100 for (ITmfStateInterval interval
: fullState
) {
101 writer
.println(INDENT
+ INDENT
+ String
.valueOf(interval
.getEndTime()) + "L,");
103 writer
.println(INDENT
+ "};");
106 writer
.println(INDENT
+ "static final ITmfStateValue[] values = {");
107 for (ITmfStateInterval interval
: fullState
) {
108 ITmfStateValue val
= interval
.getStateValue();
109 writer
.print(INDENT
+ INDENT
);
111 switch (val
.getType()) {
113 writer
.println("TmfStateValue.nullValue(),");
116 writer
.println("TmfStateValue.newValueInt(" + val
.unboxInt() + "),");
119 writer
.println("TmfStateValue.newValueLong(" + val
.unboxLong() + "),");
122 writer
.println("TmfStateValue.newValueDouble(" + val
.unboxDouble() + "),");
125 writer
.println("TmfStateValue.newValueString(\"" + val
.unboxStr() + "\"),");
128 writer
.println(val
.toString());
132 writer
.println(INDENT
+ "};");