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java.lang.Objectorg.h2.util.HashBase
org.h2.util.IntIntHashMap
public class IntIntHashMap
A hash map with int key and int values. There is a restriction: the value -1 (NOT_FOUND) cannot be stored in the map. 0 can be stored. An empty record has key=0 and value=0. A deleted record has key=0 and value=DELETED
Field Summary | |
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static int |
NOT_FOUND
The value indicating that the entry has not been found. |
Fields inherited from class org.h2.util.HashBase |
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deletedCount, len, level, mask, size, zeroKey |
Constructor Summary | |
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IntIntHashMap()
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Method Summary | |
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int |
get(int key)
Get the value for the given key. |
void |
put(int key,
int value)
Store the given key-value pair. |
protected void |
rehash(int newLevel)
Increase the size of the underlying table and re-distribute the elements. |
void |
remove(int key)
Remove the key-value pair with the given key. |
protected void |
reset(int newLevel)
Clear the map and reset the level to the specified value. |
Methods inherited from class org.h2.util.HashBase |
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checkSizeRemove, getIndex, size |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int NOT_FOUND
Constructor Detail |
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public IntIntHashMap()
Method Detail |
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protected void reset(int newLevel)
HashBase
reset
in class HashBase
newLevel
- the new levelpublic void put(int key, int value)
key
- the keyvalue
- the value (-1 is not supported)public void remove(int key)
key
- the keyprotected void rehash(int newLevel)
HashBase
rehash
in class HashBase
newLevel
- the new levelpublic int get(int key)
key
- the key
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