org.pinus4j.datalayer.iterator

Class ShardingRecordIterator<E>

java.lang.Object

org.pinus4j.datalayer.AbstractDataLayer

org.pinus4j.datalayer.query.jdbc.AbstractJdbcQuery

org.pinus4j.datalayer.iterator.AbstractRecordIterator<E>

org.pinus4j.datalayer.iterator.ShardingRecordIterator<E>

All Implemented Interfaces:

Iterator<E>, IDataLayer, IRecordIterator<E>, IDataQuery

public class ShardingRecordIterator<E>
extends AbstractRecordIterator<E>

某个实体对象的一个分表遍历器. 需要注意的是此遍历器只能遍历主键是数值型的实体

Author:

duanbn

Field Summary

Fields

Modifier and Type	Field and Description
private ShardingDBResource	dbResource
private IEntityMetaManager	entityMetaManager
static org.slf4j.Logger	LOG

Fields inherited from class org.pinus4j.datalayer.iterator.AbstractRecordIterator

clazz, latestId, maxId, pkName, query, recordQ, step, STEP

Fields inherited from class org.pinus4j.datalayer.AbstractDataLayer

dbCluster, primaryCache, secondCache, txManager

Constructor Summary

Constructors

Constructor and Description
ShardingRecordIterator(ShardingDBResource dbResource, Class<E> clazz)

Method Summary

Methods

Modifier and Type	Method and Description
long	getCount() 获取此遍历器需要遍历的结果集总数.
long	getMaxId()
boolean	hasNext()

Methods inherited from class org.pinus4j.datalayer.iterator.AbstractRecordIterator

getStep, next, nextMore, remove, setQuery, setStep

Methods inherited from class org.pinus4j.datalayer.query.jdbc.AbstractJdbcQuery

selectByPksWithCache, selectByQuery, selectBySql, selectCountByQuery, selectCountWithCache, selectPksByQuery

Methods inherited from class org.pinus4j.datalayer.AbstractDataLayer

fillParam, getDBCluster, getPrimaryCache, getSecondCache, getTransactionManager, isCacheAvailable, isCacheAvailable, isSecondCacheAvailable, isSecondCacheAvailable, setDBCluster, setPrimaryCache, setSecondCache, setTransactionManager

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pinus4j.datalayer.IDataLayer

getDBCluster, getPrimaryCache, getSecondCache, getTransactionManager, setDBCluster, setPrimaryCache, setSecondCache, setTransactionManager

Field Detail

LOG

public static final org.slf4j.Logger LOG

dbResource

private ShardingDBResource dbResource

entityMetaManager

private IEntityMetaManager entityMetaManager

Constructor Detail

ShardingRecordIterator

public ShardingRecordIterator(ShardingDBResource dbResource,
                      Class<E> clazz)

Method Detail

getMaxId

public long getMaxId()

Specified by:

getMaxId in class AbstractRecordIterator<E>

getCount

public long getCount()

Description copied from interface: IRecordIterator

获取此遍历器需要遍历的结果集总数.

Returns:

hasNext

public boolean hasNext()