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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.tests.ccvs.ui.logformatter;
public class PrintCSVDiffVisitor extends PrintDiffVisitor {
private static final String GROUP_DELIMITER = " / ";
private DelimitedValuesWriter writer;
private String caseName;
private String groupName;
/**
* Creates a diff visitor that generates CSV output.
*
* @param writer the delimited values writer
* @see PrintDiffVisitor
*/
public PrintCSVDiffVisitor(DelimitedValuesWriter writer, RootEntry olderRoot, int threshold, boolean ignoreNegligible) {
super(olderRoot, threshold, ignoreNegligible);
this.writer = writer;
}
protected void visitRootEntry(RootEntry entry, RootEntry olderEntry) {
entry.acceptChildren(this);
}
protected void visitCaseEntry(CaseEntry entry, CaseEntry olderEntry) {
caseName = entry.getName();
groupName = null;
entry.acceptChildren(this);
}
protected void visitGroupEntry(GroupEntry entry, GroupEntry olderEntry) {
String oldGroupName = groupName;
if (groupName == null) {
groupName = entry.getName();
} else {
groupName += GROUP_DELIMITER + entry.getName();
}
entry.acceptChildren(this);
groupName = oldGroupName;
}
protected void visitTaskEntry(TaskEntry entry, TaskEntry olderEntry) {
writer.printFields(new String[] {
caseName, // case
groupName, // group
entry.getName() // task
});
printTaskEntry(entry);
printTaskEntry(olderEntry);
if (entry.getTotalRuns() != 0 && olderEntry.getTotalRuns() != 0) {
int olderMean = olderEntry.getAverageMillis();
int diff = entry.getAverageMillis() - olderMean;
if (isDifferenceUncertain(entry, olderEntry)) {
writer.printField("UNCERTAIN");
} else if (isDifferenceNegligible(entry, olderEntry)) {
writer.printField("NEGLIGIBLE");
} else {
writer.printField(diff > 0 ? "SLOWER" : "FASTER"); // change type
}
writer.printField(Integer.toString(Math.abs(diff))); // change
if (olderMean != 0) {
writer.printField(Util.formatPercentageRatio(Math.abs(diff), olderMean)); // % change
} else {
writer.printField("");
}
} else {
writer.printFields(new String[] { "", "", "" });
}
writer.endRecord();
}
protected void printTaskEntry(TaskEntry entry) {
if (entry.getTotalRuns() != 0) {
int mean = entry.getAverageMillis();
writer.printFields(new String[] {
Integer.toString(entry.getTotalRuns()), // runs
Integer.toString(mean) // average
});
if (entry.getTotalRuns() > 1 && mean != 0) {
int confidence = entry.getConfidenceInterval();
writer.printFields(new String[] {
Integer.toString(confidence), // 95% confidence interval
Util.formatPercentageRatio(confidence, mean) // 95% c.i. as a percentage
});
} else {
writer.printFields(new String[] { "", "" });
}
} else {
writer.printFields(new String[] { "0", "", "", "" });
}
}
}
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