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package org.hsqldb.persist;
import org.hsqldb.Database;
import org.hsqldb.Table;
import org.hsqldb.TableBase;
import org.hsqldb.lib.Iterator;
import org.hsqldb.lib.LongKeyHashMap;
/**
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 2.3.0
* @since 1.9.0
*/
public class PersistentStoreCollectionDatabase
implements PersistentStoreCollection {
private Database database;
private long persistentStoreIdSequence;
private final LongKeyHashMap rowStoreMap = new LongKeyHashMap();
public PersistentStoreCollectionDatabase(Database db) {
this.database = db;
}
public void setStore(Object key, PersistentStore store) {
long persistenceId = ((TableBase) key).getPersistenceId();
if (store == null) {
rowStoreMap.remove(persistenceId);
} else {
rowStoreMap.put(persistenceId, store);
}
}
synchronized public PersistentStore getStore(Object key) {
long persistenceId = ((TableBase) key).getPersistenceId();
PersistentStore store =
(PersistentStore) rowStoreMap.get(persistenceId);
if (store == null) {
store = database.logger.newStore(null, this, (TableBase) key);
((TableBase) key).store = store;
}
return store;
}
public void release() {
if (rowStoreMap.isEmpty()) {
return;
}
Iterator it = rowStoreMap.values().iterator();
while (it.hasNext()) {
PersistentStore store = (PersistentStore) it.next();
store.release();
}
rowStoreMap.clear();
}
public void removeStore(Table table) {
PersistentStore store =
(PersistentStore) rowStoreMap.get(table.getPersistenceId());
if (store != null) {
store.removeAll();
store.release();
rowStoreMap.remove(table.getPersistenceId());
}
}
public long getNextId() {
return persistentStoreIdSequence++;
}
public void setNewTableSpaces() {
DataFileCache dataCache = database.logger.getCache();
if (dataCache == null) {
return;
}
Iterator it = rowStoreMap.values().iterator();
while (it.hasNext()) {
PersistentStore store = (PersistentStore) it.next();
if (store == null) {
continue;
}
TableBase table = store.getTable();
if (table.getTableType() == TableBase.CACHED_TABLE) {
TableSpaceManager tableSpace =
dataCache.spaceManager.getTableSpace(table.getSpaceID());
store.setSpaceManager(tableSpace);
}
}
}
}