public class HTree extends Object
Modifier and Type | Method and Description |
---|---|
static HTree |
createInstance(RecordManager recman)
Create a persistent hashtable.
|
Object |
get(Object key)
Returns the value which is associated with the given key.
|
long |
getRecid()
Get the record identifier used to load this hashtable.
|
FastIterator |
keys()
Returns an enumeration of the keys contained in this
|
static HTree |
load(RecordManager recman,
long root_recid)
Load a persistent hashtable
|
void |
put(Object key,
Object value)
Associates the specified value with the specified key.
|
void |
remove(Object key)
Remove the value which is associated with the given key.
|
FastIterator |
values()
Returns an enumeration of the values contained in this
|
public static HTree createInstance(RecordManager recman) throws IOException
recman
- Record manager used for persistence.IOException
public static HTree load(RecordManager recman, long root_recid) throws IOException
recman
- RecordManager used to store the persistent hashtableroot_recid
- Record id of the root directory of the HTreeIOException
public void put(Object key, Object value) throws IOException
key
- key with which the specified value is to be assocated.value
- value to be associated with the specified key.IOException
public Object get(Object key) throws IOException
null
if there is not association for this key.key
- key whose associated value is to be returnedIOException
public void remove(Object key) throws IOException
key
- key whose associated value is to be removedIOException
public FastIterator keys() throws IOException
IOException
public FastIterator values() throws IOException
IOException
public long getRecid()
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