jodd.joy.db

Class DbIdGenerator

java.lang.Object

jodd.joy.db.DbIdGenerator

@PetiteBean
public class DbIdGenerator
extends java.lang.Object

Database in-memory next ID generator. It finds the last id (max) for every entity on first use. Then it just keeps the count in the memory.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<java.lang.Class<?>,jodd.mutable.MutableLong>	entityIdsMap

Constructor Summary

Constructors

Constructor and Description
DbIdGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
long	nextId(java.lang.Class entityType) Returns next ID for given entity type.
void	reset() Resets all stored data.

Methods inherited from class java.lang.Object

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

Field Detail

entityIdsMap

protected java.util.Map<java.lang.Class<?>,jodd.mutable.MutableLong> entityIdsMap

Constructor Detail

DbIdGenerator

public DbIdGenerator()

Method Detail

reset

public void reset()

Resets all stored data.

nextId

public long nextId(java.lang.Class entityType)

Returns next ID for given entity type. On the first call, it finds the max value of all IDs and stores it. On later calls, stored id is incremented and returned.