org.mariadb.jdbc.internal.util

Class PrepareStatementCache

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<PrepareStatementCacheKey,PrepareResult>

org.mariadb.jdbc.internal.util.PrepareStatementCache

All Implemented Interfaces:

Serializable, Cloneable, Map<PrepareStatementCacheKey,PrepareResult>

public class PrepareStatementCache
extends LinkedHashMap<PrepareStatementCacheKey,PrepareResult>

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

Modifier and Type	Method and Description
static PrepareStatementCache	newInstance(int size, Protocol protocol)
PrepareResult	putIfNone(PrepareStatementCacheKey key, PrepareResult value) Add prepared statement to cache.
protected boolean	removeEldestEntry(Map.Entry<PrepareStatementCacheKey,PrepareResult> eldest)

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, replaceAll, values

Methods inherited from class java.util.HashMap

clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

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

compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Method Detail

newInstance

public static PrepareStatementCache newInstance(int size,
                                                Protocol protocol)

putIfNone

public PrepareResult putIfNone(PrepareStatementCacheKey key,
                               PrepareResult value)

Add prepared statement to cache.

Parameters:

key - sql

value - prepareResult

Returns:

PrepareResult to avoid to prepare statement.

removeEldestEntry

protected boolean removeEldestEntry(Map.Entry<PrepareStatementCacheKey,PrepareResult> eldest)

Overrides:

removeEldestEntry in class LinkedHashMap<PrepareStatementCacheKey,PrepareResult>