/* Copyright (c) 2001-2009, The HSQL Development Group
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* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
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package org.hsqldb.persist;
import org.hsqldb.Row;
import org.hsqldb.Session;
import org.hsqldb.index.Index;
import org.hsqldb.navigator.RowIterator;
import org.hsqldb.rowio.RowInputInterface;
/**
* Interface for a store for CachedObject object.
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 1.9.0
* @since 1.8.0
*/
public interface PersistentStore {
int INT_STORE_SIZE = 4;
int LONG_STORE_SIZE = 8;
PersistentStore[] emptyArray = new PersistentStore[]{};
boolean isMemory();
int getAccessCount();
void set(CachedObject object);
/** get object */
CachedObject get(int key);
/** get object, ensuring future gets will return the same instance of the object */
CachedObject getKeep(int key);
/** get object with keep, ensuring future gets will return the same instance of the object */
CachedObject get(int key, boolean keep);
CachedObject get(CachedObject object, boolean keep);
int getStorageSize(int key);
/** add new object */
void add(CachedObject object);
CachedObject get(RowInputInterface in);
CachedObject getNewInstance(int size);
CachedObject getNewCachedObject(Session session, Object object);
/** remove the persisted image but not the cached copy */
void removePersistence(int i);
void removeAll();
/** remove both persisted and cached copies */
void remove(int i);
/** remove the cached copies */
void release(int i);
/** commit persisted image */
void commitPersistence(CachedObject object);
void delete(Row row);
void indexRow(Session session, Row row);
void indexRows();
RowIterator rowIterator();
//
DataFileCache getCache();
void setCache(DataFileCache cache);
void release();
PersistentStore getAccessorStore(Index index);
CachedObject getAccessor(Index key);
void setAccessor(Index key, CachedObject accessor);
void setAccessor(Index key, int accessor);
void resetAccessorKeys(Index[] keys);
}