com.amazon.carbonado.qe
Interface StorageAccess<S extends Storable>

All Superinterfaces:

FullScanQueryExecutor.Support<S>, IndexedQueryExecutor.Support<S>, KeyQueryExecutor.Support<S>, SortedQueryExecutor.Support<S>

public interface StorageAccess<S extends Storable>
extends FullScanQueryExecutor.Support<S>, KeyQueryExecutor.Support<S>, IndexedQueryExecutor.Support<S>, SortedQueryExecutor.Support<S>

Provides internal access to a Storage, necessary for query execution.

Author:

Brian S O'Neill

Method Summary

Collection<StorableIndex<S>>	getAllIndexes() Returns all the available indexes.
QueryExecutorFactory<S>	getQueryExecutorFactory() Returns a QueryExecutorFactory instance for storage.
Class<S>	getStorableType() Returns the specific type of Storable managed by this object.
Storage<S>	storageDelegate(StorableIndex<S> index) If the given index is not directly supported by storage, queries should be delegated.

Methods inherited from interface com.amazon.carbonado.qe.FullScanQueryExecutor.Support

countAll, fetchAll

Methods inherited from interface com.amazon.carbonado.qe.KeyQueryExecutor.Support

fetchOne

Methods inherited from interface com.amazon.carbonado.qe.IndexedQueryExecutor.Support

fetchFromIndexEntryQuery, fetchSubset, indexEntryQuery

Methods inherited from interface com.amazon.carbonado.qe.SortedQueryExecutor.Support

createSortBuffer

Method Detail

getStorableType

Class<S> getStorableType()

Returns the specific type of Storable managed by this object.

Specified by:

getStorableType in interface FullScanQueryExecutor.Support<S extends Storable>

getQueryExecutorFactory

QueryExecutorFactory<S> getQueryExecutorFactory()

Returns a QueryExecutorFactory instance for storage.

getAllIndexes

Collection<StorableIndex<S>> getAllIndexes()

Returns all the available indexes.

storageDelegate

Storage<S> storageDelegate(StorableIndex<S> index)

If the given index is not directly supported by storage, queries should be delegated. Return the storage to delegate to or null if index should not be delegated.

Throws:

IllegalArgumentException - if index is unknown