Uses of Interface
com.gigaspaces.datasource.DataIterator

Packages that use DataIterator

Package	Description
com.gigaspaces.blobstore.rocksdb
com.gigaspaces.datasource	Provides GigaSpaces DataSource implementation.
com.gigaspaces.datasource.concurrentaccess
com.gigaspaces.internal.datasource
com.gigaspaces.persistency
com.gigaspaces.persistency.datasource
com.gigaspaces.server.blobstore
com.j_spaces.core.cache.blobStore
com.j_spaces.core.cache.blobStore.sadapter
com.j_spaces.core.cache.blobStore.storage
com.j_spaces.sadapter.datasource
org.openspaces.persistency
org.openspaces.persistency.cassandra
org.openspaces.persistency.cassandra.datasource
org.openspaces.persistency.hibernate	An implementation of GigaSpaces external data source using Hibernate.
org.openspaces.persistency.hibernate.iterator	A set of implementations of DataIterator using Hibernate.
org.openspaces.persistency.patterns	Set of patterns that can be used to wrap different external data sources.
org.openspaces.persistency.support	Support classes for persistency.

Uses of DataIterator in com.gigaspaces.blobstore.rocksdb

Classes in com.gigaspaces.blobstore.rocksdb that implement DataIterator

Modifier and Type	Class and Description
class	RocksDBContainerIterator Creates an iterator that can be used to exhaustively for retrieving data from RocksDB.
class	RocksDBParallelDataContainerIterator see BlobStoreSegmentedParallelIterator

Methods in com.gigaspaces.blobstore.rocksdb that return DataIterator

Modifier and Type	Method and Description
DataIterator<BlobStoreGetBulkOperationResult>	RocksDBParallelDataContainerIterator.createDataIteratorForSegmen(int dbsNumber)
DataIterator<BlobStoreGetBulkOperationResult>	RocksDBBlobStoreHandler.iterator(BlobStoreObjectType objectType)

Uses of DataIterator in com.gigaspaces.datasource

Classes in com.gigaspaces.datasource that implement DataIterator

Modifier and Type	Class and Description
class	DataIteratorAdapter<T> A simple adapter from Iterator to DataIterator

Methods in com.gigaspaces.datasource that return DataIterator

Modifier and Type	Method and Description
DataIterator<Object>	SpaceDataSource.getDataIterator(DataSourceQuery query) This method is invoked whenever the space needs to read data which matches the provided DataSourceQuery from the space data source.
DataIterator<Object>	SpaceDataSource.getDataIteratorByIds(DataSourceIdsQuery idsQuery) This method is invoked whenever the space needs to read several entries from the data source according to their ids.
DataIterator<Object>	SpaceDataSource.initialDataLoad() This method is invoked after SpaceDataSource.initialMetadataLoad() and is used for pre fetching data from the data source on space initialization.
DataIterator<T>	ManagedDataSource.initialLoad() Deprecated. Creates and returns an iterator over all the entries that should be loaded into space.
DataIterator<SpaceTypeDescriptor>	SpaceDataSource.initialMetadataLoad() This method is invoked on space initialization (before SpaceDataSource.initialDataLoad() is invoked) and is used for introducing data types kept in the data source to the space.
DataIterator<T>	SQLDataProvider.iterator(SQLQuery<T> query) Deprecated. Create an iterator over all objects that match the given SQLQuery.
DataIterator<T>	DataProvider.iterator(T template) Deprecated. 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.

Uses of DataIterator in com.gigaspaces.datasource.concurrentaccess

Classes in com.gigaspaces.datasource.concurrentaccess that implement DataIterator

Modifier and Type	Class and Description
class	SharedDataIterator<T> Shared iterator shares a single DataIterator among several instances, each instance gives the impression of a separate data iterator.

Methods in com.gigaspaces.datasource.concurrentaccess that return DataIterator

Modifier and Type	Method and Description
DataIterator<Object>	SharedIteratorSpaceDataSourceDecorator.getDataIterator(DataSourceQuery query)
DataIterator<Object>	SharedIteratorSpaceDataSourceDecorator.getDataIteratorByIds(DataSourceIdsQuery idsQuery)
DataIterator<T>	SharedDataIteratorSource.getIterator() Gets a new shared data iterator over the source data iterator
DataIterator<T>	ISourceDataIteratorProvider.getSourceIterator()
DataIterator<Object>	SharedIteratorSpaceDataSourceDecorator.initialDataLoad()
DataIterator<T>	SharedIteratorSQLDataProviderDecorator.initialLoad()
DataIterator<SpaceTypeDescriptor>	SharedIteratorSpaceDataSourceDecorator.initialMetadataLoad()
DataIterator<T>	SharedIteratorSQLDataProviderDecorator.iterator(SQLQuery<T> query)

Uses of DataIterator in com.gigaspaces.internal.datasource

Methods in com.gigaspaces.internal.datasource that return DataIterator

Modifier and Type	Method and Description
DataIterator<Object>	EDSAdapterSpaceDataSource.getDataIterator(DataSourceQuery query)
DataIterator<Object>	EDSAdapterSpaceDataSource.initialDataLoad()
DataIterator<SpaceTypeDescriptor>	EDSAdapterSpaceDataSource.initialMetadataLoad()

Uses of DataIterator in com.gigaspaces.persistency

Methods in com.gigaspaces.persistency that return DataIterator

Modifier and Type	Method and Description
DataIterator<Object>	MongoSpaceDataSource.getDataIterator(DataSourceQuery query)
DataIterator<Object>	MongoSpaceDataSource.getDataIteratorByIds(DataSourceIdsQuery idsQuery)
DataIterator<Object>	MongoSpaceDataSource.initialDataLoad()
DataIterator<SpaceTypeDescriptor>	MongoSpaceDataSource.initialMetadataLoad()

Uses of DataIterator in com.gigaspaces.persistency.datasource

Classes in com.gigaspaces.persistency.datasource that implement DataIterator

Modifier and Type	Class and Description
class	DefaultMongoDataIterator
class	MongoInitialDataLoadIterator
class	MongoSqlQueryDataIterator

Uses of DataIterator in com.gigaspaces.server.blobstore

Methods in com.gigaspaces.server.blobstore that return DataIterator

Modifier and Type	Method and Description
DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreStorageHandler.iterator(BlobStoreObjectType objectType) .

Uses of DataIterator in com.j_spaces.core.cache.blobStore

Methods in com.j_spaces.core.cache.blobStore that return DataIterator

Modifier and Type	Method and Description
DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreOperationsWrapper.initialLoadIterator()
abstract DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreExtendedStorageHandler.initialLoadIterator() Creates an iterator over the blobstore objects in space initial load stage only.
DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreOperationsWrapper.iterator(BlobStoreObjectType objectType)
DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreExtendedStorageHandler.iterator(BlobStoreObjectType objectType) .

Uses of DataIterator in com.j_spaces.core.cache.blobStore.sadapter

Constructors in com.j_spaces.core.cache.blobStore.sadapter with parameters of type DataIterator

Constructor and Description
BlobStoreSegmentInitialLoader(CacheManager cacheManager, DataIterator<BlobStoreGetBulkOperationResult> segmentIter, CountDownLatch sync, int segmentNumber, InitialLoadInfo initialLoadInfo)

Uses of DataIterator in com.j_spaces.core.cache.blobStore.storage

Classes in com.j_spaces.core.cache.blobStore.storage that implement DataIterator

Modifier and Type	Class and Description
class	BlobStoreHashMock.MockIter
class	BlobStoreNoSerializationHashMock.MockIter
class	BlobStoreSegmentedParallelIterator A parallerl iterator for retrieving data parallely from blob store using segments used in initial-load note- a single thread should use this iterator

Methods in com.j_spaces.core.cache.blobStore.storage that return DataIterator

Modifier and Type	Method and Description
abstract DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreSegmentedParallelIterator.createDataIteratorForSegmen(int segmentNumber)
DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreHashMock.iterator(BlobStoreObjectType objectType)
DataIterator<BlobStoreGetBulkOperationResult>	BlobStoreNoSerializationHashMock.iterator(BlobStoreObjectType objectType)

Constructors in com.j_spaces.core.cache.blobStore.storage with parameters of type DataIterator

Constructor and Description
BlobStoreSegmentDataLoader(BlobStoreSegmentedParallelIterator mainIter, int segment, DataIterator<BlobStoreGetBulkOperationResult> segmentIter)

Uses of DataIterator in com.j_spaces.sadapter.datasource

Classes in com.j_spaces.sadapter.datasource that implement DataIterator

Modifier and Type	Class and Description
class	EntryAdapterIterator EntryAdapterIterator provides a wrapper for the DataIterator returned by the DataProvider .

Fields in com.j_spaces.sadapter.datasource declared as DataIterator

Modifier and Type	Field and Description
protected DataIterator<Object>	EntryAdapterIterator._iterator

Methods in com.j_spaces.sadapter.datasource that return DataIterator

Modifier and Type	Method and Description
DataIterator<T>	DataStorage.initialLoad()
DataIterator<T>	DataStorage.iterator(SQLQuery<T> query)
DataIterator<T>	DataStorage.iterator(T template)

Constructors in com.j_spaces.sadapter.datasource with parameters of type DataIterator

Constructor and Description
EntryAdapterIterator(DataIterator<Object> iterator, EntryAdapter entryAdapter)

Uses of DataIterator in org.openspaces.persistency

Methods in org.openspaces.persistency that return DataIterator

Modifier and Type	Method and Description
DataIterator<SpaceTypeDescriptor>	ClusterInfoAwareSpaceDataSource.initialMetadataLoad()

Uses of DataIterator in org.openspaces.persistency.cassandra

Methods in org.openspaces.persistency.cassandra that return DataIterator

Modifier and Type	Method and Description
DataIterator<Object>	CassandraSpaceDataSource.getDataIterator(DataSourceQuery query)
DataIterator<Object>	CassandraSpaceDataSource.getDataIteratorByIds(DataSourceIdsQuery idsQuery)
DataIterator<Object>	CassandraSpaceDataSource.initialDataLoad()
DataIterator<SpaceTypeDescriptor>	CassandraSpaceDataSource.initialMetadataLoad()

Uses of DataIterator in org.openspaces.persistency.cassandra.datasource

Classes in org.openspaces.persistency.cassandra.datasource that implement DataIterator

Modifier and Type	Class and Description
class	CassandraTokenRangeAwareDataIterator
class	CassandraTokenRangeAwareInitialLoadDataIterator
class	CassandraTokenRangeJDBCDataIterator Note: the underlying cassandra jdbc implementation brings the entire batch when calling execute, so SQLException exceptions will actually only be thrown during prepare statement and execute statment Moreover, the iteration over the results is currently only logical because the entire result set already lies in memory after execute statement returns.
class	SingleEntryDataIterator A DataIterator for single entry or empty result sets.

Uses of DataIterator in org.openspaces.persistency.hibernate

Methods in org.openspaces.persistency.hibernate that return DataIterator

Modifier and Type	Method and Description
protected DataIterator	AbstractHibernateExternalDataSource.createInitialLoadIterator(DataIterator[] iterators) Deprecated. A helper method that creates the initial load iterator using the ConcurrentMultiDataIterator with the provided AbstractHibernateExternalDataSource.setInitialLoadThreadPoolSize(int) thread pool size.
protected DataIterator	AbstractHibernateSpaceDataSource.createInitialLoadIterator(DataIterator[] iterators) A helper method that creates the initial load iterator using the ConcurrentMultiDataIterator with the provided #setInitialLoadThreadPoolSize(int) thread pool size.
DataIterator<Object>	CriteriaHibernateSpaceDataSource.getDataIterator(DataSourceQuery query)
DataIterator	StatelessHibernateSpaceDataSource.getDataIterator(DataSourceQuery query) Returns a StatelessListQueryDataIterator for the given query.
DataIterator<Object>	DefaultHibernateSpaceDataSource.getDataIterator(DataSourceQuery query) Returns a DefaultListQueryDataIterator for the given sql query.
DataIterator	StatelessHibernateSpaceDataSource.initialDataLoad() Performs the initial load operation.
DataIterator<Object>	DefaultHibernateSpaceDataSource.initialDataLoad() Performs the initial load operation.
DataIterator	StatelessHibernateExternalDataSource.initialLoad() Deprecated. Performs the initial load operation.
DataIterator	DefaultHibernateExternalDataSource.initialLoad() Deprecated. Performs the initial load operation.
DataIterator<SpaceTypeDescriptor>	AbstractHibernateSpaceDataSource.initialMetadataLoad()
DataIterator	CriteriaHibernateExternalDataSource.iterator(Object template) Deprecated.
DataIterator	StatelessHibernateExternalDataSource.iterator(SQLQuery sqlQuery) Deprecated. Returns a StatelessListQueryDataIterator for the given query.
DataIterator	DefaultHibernateExternalDataSource.iterator(SQLQuery sqlQuery) Deprecated. Returns a DefaultListQueryDataIterator for the given sql query.

Methods in org.openspaces.persistency.hibernate with parameters of type DataIterator

Modifier and Type	Method and Description
protected DataIterator	AbstractHibernateExternalDataSource.createInitialLoadIterator(DataIterator[] iterators) Deprecated. A helper method that creates the initial load iterator using the ConcurrentMultiDataIterator with the provided AbstractHibernateExternalDataSource.setInitialLoadThreadPoolSize(int) thread pool size.
protected DataIterator	AbstractHibernateSpaceDataSource.createInitialLoadIterator(DataIterator[] iterators) A helper method that creates the initial load iterator using the ConcurrentMultiDataIterator with the provided #setInitialLoadThreadPoolSize(int) thread pool size.

Uses of DataIterator in org.openspaces.persistency.hibernate.iterator

Classes in org.openspaces.persistency.hibernate.iterator that implement DataIterator

Modifier and Type	Class and Description
class	AbstractChunkDataIterator A base class that accepts a batch size and will create several iterators on the given entity by chunking it into batch size chuncks, each iterator will iterate only on the given chunk.
class	AbstractScrollableDataIterator A base class for scrollable result set (ScrollableResults created based on either an entity name or a SQLQuery.
class	DefaultChunkListDataIterator A default batch iterator that is based on DefaultListQueryDataIterator for each chunk.
class	DefaultChunkScrollableDataIterator A default batch iterator that is based on DefaultScrollableDataIterator for each chunk.
class	DefaultCriteriaByExampleDataIterator A simple iterator that iterates over template object using Hibernate Criteria by example.
class	DefaultListQueryDataIterator A simple iterator that iterates over a SQLQuery by creating an Hiberante query using Hibernate Session and listing it.
class	DefaultScrollableDataIterator A default scrollable result iterator based on Hibernate Session.
class	HibernateProxyRemoverIterator A wrapper iterator that removes Hibernate proxies from the actual object returned.
class	StatelessChunkListDataIterator A default batch iterator that is based on StatelessListQueryDataIterator for each chunk.
class	StatelessChunkScrollableDataIterator A stateless batch iterator that is based on StatelessScrollableDataIterator for each chunk.
class	StatelessListQueryDataIterator A simple iterator that iterates over a SQLQuery by creating an Hiberante query using Hibernate StatelessSession and listing it.
class	StatelessScrollableDataIterator A stateless scrollable result based on Hibernate StatelessSession.

Methods in org.openspaces.persistency.hibernate.iterator that return DataIterator

Modifier and Type	Method and Description
protected DataIterator	StatelessChunkScrollableDataIterator.createIteratorByEntityName(String entityName, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	DefaultChunkScrollableDataIterator.createIteratorByEntityName(String entityName, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	DefaultChunkListDataIterator.createIteratorByEntityName(String entityName, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected abstract DataIterator	AbstractChunkDataIterator.createIteratorByEntityName(String entityName, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	StatelessChunkListDataIterator.createIteratorByEntityName(String entityName, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	StatelessChunkScrollableDataIterator.createIteratorByHibernateQuery(String hQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, int from, int size)
protected DataIterator	DefaultChunkScrollableDataIterator.createIteratorByHibernateQuery(String hQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, int from, int size)
protected DataIterator	DefaultChunkListDataIterator.createIteratorByHibernateQuery(String hQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, int from, int size)
protected abstract DataIterator	AbstractChunkDataIterator.createIteratorByHibernateQuery(String hQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, int from, int size)
protected DataIterator	StatelessChunkListDataIterator.createIteratorByHibernateQuery(String hQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, int from, int size)
protected DataIterator	StatelessChunkScrollableDataIterator.createIteratorBySQLQuery(SQLQuery sqlQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	DefaultChunkScrollableDataIterator.createIteratorBySQLQuery(SQLQuery sqlQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	DefaultChunkListDataIterator.createIteratorBySQLQuery(SQLQuery sqlQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected abstract DataIterator	AbstractChunkDataIterator.createIteratorBySQLQuery(SQLQuery sqlQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
protected DataIterator	StatelessChunkListDataIterator.createIteratorBySQLQuery(SQLQuery sqlQuery, org.hibernate.SessionFactory sessionFactory, int fetchSize, boolean performOrderById, int from, int size)
DataIterator[]	HibernateProxyRemoverIterator.iterators()
DataIterator[]	AbstractChunkDataIterator.iterators()

Constructors in org.openspaces.persistency.hibernate.iterator with parameters of type DataIterator

Constructor and Description
HibernateProxyRemoverIterator(DataIterator iterator)

Uses of DataIterator in org.openspaces.persistency.patterns

Methods in org.openspaces.persistency.patterns that return DataIterator

Modifier and Type	Method and Description
DataIterator<Object>	SpaceDataSourceExceptionHandler.getDataIterator(DataSourceQuery query)
DataIterator<Object>	SpaceDataSourceSplitter.getDataIterator(DataSourceQuery query) Delegates the query to the corresponding data source
DataIterator<Object>	SpaceDataSourceExceptionHandler.getDataIteratorByIds(DataSourceIdsQuery idsQuery)
DataIterator<Object>	SpaceDataSourceSplitter.getDataIteratorByIds(DataSourceIdsQuery idsQuery) Delegates the query to the corresponding data source
DataIterator<Object>	SpaceDataSourceExceptionHandler.initialDataLoad()
DataIterator<Object>	SpaceDataSourceSplitter.initialDataLoad() Iterates through all the given data sources and assembles their respective DataIterators from SpaceDataSource.initialDataLoad().
DataIterator	AbstractManagedDataSourceDelegator.initialLoad() Deprecated.
DataIterator	AbstractManagedDataSourceSplitter.initialLoad() Deprecated. Iterates through all the given data sources and assembles their respective DataIterators from ManagedDataSource.initialLoad().
DataIterator<SpaceTypeDescriptor>	SpaceDataSourceExceptionHandler.initialMetadataLoad()
DataIterator<SpaceTypeDescriptor>	SpaceDataSourceSplitter.initialMetadataLoad() Iterates through all the given data sources and assembles their respective DataIterators from SpaceDataSource.initialMetadataLoad().
DataIterator	DataProviderSplitter.iterator(Object o) Deprecated.
DataIterator	SQLDataProviderExceptionHandler.iterator(SQLQuery sqlQuery) Deprecated.
DataIterator	SQLDataProviderSplitter.iterator(SQLQuery sqlQuery) Deprecated.

Uses of DataIterator in org.openspaces.persistency.support

Subinterfaces of DataIterator in org.openspaces.persistency.support

Modifier and Type	Interface and Description
interface	MultiDataIterator A marker interface on top of the data source DataIterator which handles multiple data iterators.

Classes in org.openspaces.persistency.support that implement DataIterator

Modifier and Type	Class and Description
class	ConcurrentMultiDataIterator A simple implementation wrapping several iterators and exposing them as concurrent iterator using a fixed size thread pool.
class	SerialMultiDataIterator A simple implementation wrapping several iterators and exposing them as a single (serial) iterator.

Methods in org.openspaces.persistency.support that return DataIterator

Modifier and Type	Method and Description
DataIterator[]	SerialMultiDataIterator.iterators()
DataIterator[]	MultiDataIterator.iterators() Returns the underlying iterators.
DataIterator[]	ConcurrentMultiDataIterator.iterators()

Constructors in org.openspaces.persistency.support with parameters of type DataIterator

Constructor and Description
ConcurrentMultiDataIterator(DataIterator[] iterators, int threadPoolSize)
SerialMultiDataIterator(DataIterator... iterators)