void cacheVisitedState(
APTPreprocHandler.State inputState,
APTPreprocHandler outputHandler,
FilePreprocessorConditionState pcState) {
if (cacheStates && inputState.isCompileContext()) {
stateCacheLock.writeLock().lock();
try {
if ((stateCache.isEmpty() || APTHandlersSupport.getIncludeStackDepth(inputState) == 1)
&& isCacheableState(inputState)) {
if (stateCache.size() == CACHE_SIZE) {
int min = Integer.MAX_VALUE;
APTPreprocHandler.StateKey key = null;
for (Map.Entry<APTPreprocHandler.StateKey, Value> entry : stateCache.entrySet()) {
if (entry.getValue().value.get() == null) {
key = entry.getKey();
break;
}
if (entry.getValue().count < min) {
key = entry.getKey();
min = entry.getValue().count;
}
}
stateCache.remove(key);
}
stateCache.put(
createKey(inputState),
new Value(new PreprocessorStatePair(outputHandler.getState(), pcState)));
}
} finally {
stateCacheLock.writeLock().unlock();
}
}
}
/*package-local*/ PreprocessorStatePair getCachedVisitedState(
APTPreprocHandler.State inputState) {
PreprocessorStatePair res = null;
if (cacheStates && inputState.isCompileContext()) {
if (TRACE) {
stateCacheAttempt++;
}
stateCacheLock.readLock().lock();
APTPreprocHandler.StateKey key = null;
try {
if (isCacheableState(inputState)) {
key = createKey(inputState);
Value value = stateCache.get(key);
if (value != null) {
res = value.value.get();
value.count++;
}
}
} finally {
stateCacheLock.readLock().unlock();
}
if (TRACE && res != null) {
stateCacheSuccessAttempt++;
System.err.println(
"State Cache Attempt="
+ stateCacheAttempt
+ " successful="
+ stateCacheSuccessAttempt
+ " cache size="
+ stateCache.size()
+ " in file "
+ file.getName());
System.err.println(" Key=" + key);
System.err.println(" Res=" + createKey(res.state));
}
}
return res;
}