org.batoo.jpa.jdbc.generator

Class TableIdQueue

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractQueue<E>

java.util.concurrent.LinkedBlockingQueue<Long>

org.batoo.jpa.jdbc.generator.IdQueue

org.batoo.jpa.jdbc.generator.TableIdQueue

All Implemented Interfaces:

Serializable, Iterable<Long>, Collection<Long>, BlockingQueue<Long>, Queue<Long>

public class TableIdQueue
extends IdQueue

A Queue that tops up the queue by allocation size sequences when its capacity drops to 1 / 2 of allocation size.

Since:

2.0.0

Author:

hceylan

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TableIdQueue(JdbcAdaptor jdbcAdaptor, DataSource datasource, ExecutorService idExecuter, TableGenerator generator)

Method Summary

Methods

Modifier and Type	Method and Description
protected Long	getNextId() Returns the next value from the database.

Methods inherited from class org.batoo.jpa.jdbc.generator.IdQueue

doTopUp, poll

Methods inherited from class java.util.concurrent.LinkedBlockingQueue

clear, contains, drainTo, drainTo, iterator, offer, offer, peek, poll, put, remainingCapacity, remove, size, take, toArray, toArray, toString

Methods inherited from class java.util.AbstractQueue

add, addAll, element, remove

Methods inherited from class java.util.AbstractCollection

containsAll, isEmpty, removeAll, retainAll

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.BlockingQueue

add

Methods inherited from interface java.util.Queue

element, remove

Methods inherited from interface java.util.Collection

addAll, containsAll, equals, hashCode, isEmpty, removeAll, retainAll

Constructor Detail

TableIdQueue

public TableIdQueue(JdbcAdaptor jdbcAdaptor,
            DataSource datasource,
            ExecutorService idExecuter,
            TableGenerator generator)

Parameters:

jdbcAdaptor - the JDBC adaptor

datasource - the datasource to use

idExecuter - the executor service to submit refill tasks

generator - the table generator

Since:

2.0.0

Method Detail

getNextId

protected Long getNextId()
                  throws SQLException

Returns the next value from the database.

Specified by:

getNextId in class IdQueue

Returns:

the next id

Throws:

SQLException