org.apache.ignite.internal.processors.query.h2

Class H2StatementCache

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<String,PreparedStatement>

org.apache.ignite.internal.processors.query.h2.H2StatementCache

All Implemented Interfaces:

Serializable, Cloneable, Map<String,PreparedStatement>

public class H2StatementCache
extends LinkedHashMap<String,PreparedStatement>

Statement cache.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Method Summary

Methods

Modifier and Type	Method and Description
long	lastUsage() The timestamp of the last usage of the cache.
protected boolean	removeEldestEntry(Map.Entry<String,PreparedStatement> eldest)
void	updateLastUsage() Updates the lastUsage timestamp by current time.

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, get

Methods inherited from class java.util.HashMap

clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

containsKey, entrySet, equals, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Method Detail

removeEldestEntry

protected boolean removeEldestEntry(Map.Entry<String,PreparedStatement> eldest)

Overrides:

removeEldestEntry in class LinkedHashMap<String,PreparedStatement>

lastUsage

public long lastUsage()

The timestamp of the last usage of the cache.

Returns:

last usage timestamp

updateLastUsage

public void updateLastUsage()

Updates the lastUsage timestamp by current time.