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java.lang.Objectorg.apache.ojb.broker.util.DoubleHashtable
this class can be used to build two-way lookup tables. It provides lookup from keys to values and the inverse lookup from values to keys.
Constructor Summary | |
DoubleHashtable()
public default constructor. |
Method Summary | |
java.lang.Object |
getKeyByValue(java.lang.Object value)
lookup a key from the table by its value. |
java.lang.Object |
getValueByKey(java.lang.Object key)
lookup a value from the table by its key. |
void |
put(java.lang.Object key,
java.lang.Object value)
put a (key, value) pair into the table. |
void |
removeByKey(java.lang.Object key)
remove a (key, value)-entry by its key |
void |
removeByValue(java.lang.Object value)
remove a (key, value)-entry by its value |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public DoubleHashtable()
Method Detail |
public void put(java.lang.Object key, java.lang.Object value)
key
- the key object.value
- the value object.public java.lang.Object getValueByKey(java.lang.Object key)
key
- the key object
public java.lang.Object getKeyByValue(java.lang.Object value)
value
- the value object
public void removeByKey(java.lang.Object key)
key
- the key objectpublic void removeByValue(java.lang.Object value)
value
- the value object
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