in src/main/java/org/apache/log4j/rule/OrRule.java [91:126]
public boolean evaluate(final LoggingEvent event, Map matches) {
if (matches == null) {
return (rule1.evaluate(event, null) || rule2.evaluate(event, null));
}
Map tempMatches1 = new HashMap();
Map tempMatches2 = new HashMap();
//not short-circuiting because we want to build the matches list
boolean result1 = rule1.evaluate(event, tempMatches1);
boolean result2 = rule2.evaluate(event, tempMatches2);
boolean result = result1 || result2;
if (result) {
for (Iterator iter = tempMatches1.entrySet().iterator();iter.hasNext();) {
Map.Entry entry = (Map.Entry)iter.next();
Object key = entry.getKey();
Set value = (Set)entry.getValue();
Set mainSet = (Set) matches.get(key);
if (mainSet == null) {
mainSet = new HashSet();
matches.put(key, mainSet);
}
mainSet.addAll(value);
}
for (Iterator iter = tempMatches2.entrySet().iterator();iter.hasNext();) {
Map.Entry entry = (Map.Entry)iter.next();
Object key = entry.getKey();
Set value = (Set)entry.getValue();
Set mainSet = (Set) matches.get(key);
if (mainSet == null) {
mainSet = new HashSet();
matches.put(key, mainSet);
}
mainSet.addAll(value);
}
}
return result;
}