public int getSize() throws IOException {
// return the hashtable size
FastIterator iter = hashtable.keys();
int count = 0;
while (iter.next() != null) count++;
return count;
}
private void addAllFileTableKeys(Set<Object> keys) throws IOException {
FastIterator<Object> iter = fileTable.keys();
Object key = null;
while ((key = iter.next()) != null) {
keys.add(key);
}
}
/**
* Returns the number of elements currently in the cache
*
* @return The number of elements currently in the cache
*/
public int size() {
if (fileTable != null) {
int size = 0;
try {
synchronized (this) {
FastIterator<Object> iter = fileTable.keys();
while (iter.next() != null) {
size++;
}
}
} catch (IOException e) {
Debug.logError(e, module);
}
return size;
} else {
return memoryTable.size();
}
}
public long getSizeInBytes() {
long totalSize = 0;
if (fileTable != null) {
try {
synchronized (this) {
FastIterator<V> iter = fileTable.values();
V value = iter.next();
while (value != null) {
totalSize += findSizeInBytes(value);
value = iter.next();
}
}
} catch (IOException e) {
Debug.logError(e, module);
return 0;
}
} else {
for (CacheLine<V> line : memoryTable.values()) {
totalSize += findSizeInBytes(line.getValue());
}
}
return totalSize;
}
/**
* Returns a boolean specifying whether or not an element with the specified key is in the cache.
*
* @param key The key for the element, used to reference it in the hastables and LRU linked list
* @return True is the cache contains an element corresponding to the specified key, otherwise
* false
*/
public boolean containsKey(Object key) {
Object nulledKey = fromKey(key);
CacheLine<V> line = memoryTable.get(nulledKey);
if (line == null) {
if (fileTable != null) {
try {
synchronized (this) {
FastIterator<Object> iter = fileTable.keys();
Object checkKey = null;
while ((checkKey = iter.next()) != null) {
if (nulledKey.equals(checkKey)) {
return true;
}
}
}
} catch (IOException e) {
Debug.logError(e, module);
}
}
return false;
} else {
return true;
}
}
public Collection<V> values() {
if (fileTable != null) {
List<V> values = FastList.newInstance();
try {
synchronized (this) {
FastIterator<V> iter = fileTable.values();
V value = iter.next();
while (value != null) {
values.add(value);
value = iter.next();
}
}
} catch (IOException e) {
Debug.logError(e, module);
}
return values;
} else {
List<V> valuesList = FastList.newInstance();
for (CacheLine<V> line : memoryTable.values()) {
valuesList.add(line.getValue());
}
return valuesList;
}
}