org.openspaces.persistency.patterns
Class DataProviderSplitter

java.lang.Object
  org.openspaces.persistency.patterns.AbstractManagedDataSourceSplitter
      org.openspaces.persistency.patterns.BulkDataPersisterSplitter
          org.openspaces.persistency.patterns.DataProviderSplitter

All Implemented Interfaces:

BulkDataPersister, DataProvider, ManagedDataSource

public class DataProviderSplitter
extends BulkDataPersisterSplitter
implements DataProvider

A data provider that redirects template based operations to the given data source that can handle its type.

Author:

kimchy

Field Summary

Fields inherited from class org.openspaces.persistency.patterns.AbstractManagedDataSourceSplitter

dataSources

Fields inherited from interface com.gigaspaces.datasource.ManagedDataSource

DATA_CLASS_PROPS, NUMBER_OF_PARTITIONS, STATIC_PARTITION_NUMBER

Constructor Summary

DataProviderSplitter(ManagedDataSourceEntriesProvider[] dataSources)

Method Summary

DataIterator	iterator(Object o) Create an iterator over all objects that match the given template.
Object	read(Object o) Read one object that matches the given template.

Methods inherited from class org.openspaces.persistency.patterns.BulkDataPersisterSplitter

executeBulk

Methods inherited from class org.openspaces.persistency.patterns.AbstractManagedDataSourceSplitter

getDataSource, init, initialLoad, setInitalLoadThreadPoolSize, shutdown

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.gigaspaces.datasource.ManagedDataSource

init, initialLoad, shutdown

Constructor Detail

DataProviderSplitter

public DataProviderSplitter(ManagedDataSourceEntriesProvider[] dataSources)

Method Detail

read

public Object read(Object o)
            throws DataSourceException

Description copied from interface: DataProvider

Read one object that matches the given template.
Used by the space for read templates with UID.

Specified by:

read in interface DataProvider

Returns:

matched object or null

Throws:

DataSourceException

iterator

public DataIterator iterator(Object o)
                      throws DataSourceException

Description copied from interface: DataProvider

Create an iterator over all objects that match the given template.
Note: null value can be passed - in case of a null template or at initial space load. If SQLDataProvider interface is also implemented - the space will use SQLDataProvider.iterator instead.

Specified by:

iterator in interface DataProvider

Returns:

a DataIterator or null if no data was found that match the given template

Throws:

DataSourceException