io.vertx.sqlclient.impl.cache

Class PreparedStatementCache

java.lang.Object

io.vertx.sqlclient.impl.cache.PreparedStatementCache

public class PreparedStatementCache
extends Object

Cache which manages the lifecycle of all cached prepared statements .

Constructor Summary

Constructors

Constructor and Description
PreparedStatementCache(int cacheCapacity)

Method Summary

Modifier and Type	Method and Description
PreparedStatement	evict()
PreparedStatement	get(String sql)
boolean	isFull()
List<PreparedStatement>	put(PreparedStatement preparedStatement) Put a statement in the cache.
void	remove(String sql) Remove the cached entry when the cached statement is closing so that pending requests will not use a closed prepared statement.
int	size()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PreparedStatementCache

public PreparedStatementCache(int cacheCapacity)

Method Detail

get

public PreparedStatement get(String sql)

put

public List<PreparedStatement> put(PreparedStatement preparedStatement)

Put a statement in the cache.

Parameters:

preparedStatement - the prepared statement to cache

Returns:

the list of prepared statement to evict and close

remove

public void remove(String sql)

Remove the cached entry when the cached statement is closing so that pending requests will not use a closed prepared statement.

Parameters:

sql - the identified sql of the cached statement

evict

public PreparedStatement evict()

isFull

public boolean isFull()

size

public int size()

Returns:

the cache size