/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.qp.storeadapter;
import com.foundationdb.ais.model.*;
import com.foundationdb.qp.expression.IndexKeyRange;
import com.foundationdb.qp.operator.*;
import com.foundationdb.qp.storeadapter.indexcursor.IterationHelper;
import com.foundationdb.qp.storeadapter.indexcursor.MergeJoinSorter;
import com.foundationdb.qp.storeadapter.indexrow.IndexRowPool;
import com.foundationdb.qp.storeadapter.indexrow.PersistitGroupIndexRow;
import com.foundationdb.qp.storeadapter.indexrow.PersistitTableIndexRow;
import com.foundationdb.qp.row.IndexRow;
import com.foundationdb.qp.row.Row;
import com.foundationdb.qp.row.ValuesHKey;
import com.foundationdb.qp.rowtype.IndexRowType;
import com.foundationdb.qp.rowtype.RowType;
import com.foundationdb.qp.rowtype.Schema;
import com.foundationdb.server.error.*;
import com.foundationdb.server.rowdata.RowData;
import com.foundationdb.server.rowdata.RowDef;
import com.foundationdb.server.service.config.ConfigurationService;
import com.foundationdb.server.service.session.Session;
import com.foundationdb.server.service.tree.KeyCreator;
import com.foundationdb.server.service.tree.TreeService;
import com.foundationdb.server.store.PersistitStore;
import com.foundationdb.server.store.Store;
import com.foundationdb.util.tap.InOutTap;
import com.persistit.Exchange;
import com.persistit.Key;
import com.persistit.Transaction;
import com.persistit.exception.PersistitException;
import com.persistit.exception.PersistitInterruptedException;
import com.persistit.exception.RollbackException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.InterruptedIOException;
import java.util.Collection;
public class PersistitAdapter extends StoreAdapter implements KeyCreator
{
private static final Logger logger = LoggerFactory.getLogger(PersistitAdapter.class);
// StoreAdapter interface
@Override
public GroupCursor newGroupCursor(Group group)
{
GroupCursor cursor;
try {
cursor = new PersistitGroupCursor(this, group);
} catch (PersistitException e) {
handlePersistitException(e);
throw new AssertionError();
}
return cursor;
}
@Override
public RowCursor newIndexCursor(QueryContext context, Index index, IndexKeyRange keyRange, API.Ordering ordering,
IndexScanSelector selector, boolean openAllSubCursors)
{
return new PersistitIndexCursor(context,
schema.indexRowType(index),
keyRange,
ordering,
selector,
openAllSubCursors);
}
@Override
public Sorter createSorter(QueryContext context,
QueryBindings bindings,
RowCursor input,
RowType rowType,
API.Ordering ordering,
API.SortOption sortOption,
InOutTap loadTap)
{
//return new PersistitSorter(context, bindings, input, rowType, ordering, sortOption, loadTap);
return new MergeJoinSorter(context, bindings, input, rowType, ordering, sortOption, loadTap);
}
@Override
public com.foundationdb.qp.row.HKey newHKey(com.foundationdb.ais.model.HKey hKeyMetadata)
{
return new ValuesHKey(schema.newHKeyRowType(hKeyMetadata), store.getTypesRegistry());
}
@Override
public void updateRow(Row oldRow, Row newRow) {
RowDef rowDef = oldRow.rowType().table().rowDef();
RowDef rowDefNewRow = newRow.rowType().table().rowDef();
if (rowDef.getRowDefId() != rowDefNewRow.getRowDefId()) {
throw new IllegalArgumentException(String.format("%s != %s", rowDef, rowDefNewRow));
}
RowData oldRowData = rowData(rowDef, oldRow, rowDataCreator());
try {
// For Update row, the new row (value being inserted) does not
// need the default value (including identity set)
RowData newRowData = rowData(rowDefNewRow, newRow, rowDataCreator());
store.updateRow(getSession(), rowDef, oldRowData, rowDefNewRow, newRowData, null);
} catch (InvalidOperationException e) {
rollbackIfNeeded(e);
throw e;
}
}
@Override
public void writeRow(Row newRow, Collection<TableIndex> indexes, Collection<GroupIndex> groupIndexes) {
RowDef rowDef = newRow.rowType().table().rowDef();
try {
RowData newRowData = rowData (rowDef, newRow, rowDataCreator());
store.writeRow(getSession(), rowDef, newRowData, indexes, groupIndexes);
} catch (InvalidOperationException e) {
rollbackIfNeeded(e);
throw e;
}
}
@Override
public void deleteRow (Row oldRow, boolean cascadeDelete) {
RowDef rowDef = oldRow.rowType().table().rowDef();
RowData oldRowData = rowData(rowDef, oldRow, rowDataCreator());
try {
store.deleteRow(getSession(), rowDef, oldRowData, cascadeDelete);
} catch (InvalidOperationException e) {
rollbackIfNeeded(e);
throw e;
}
}
@Override
public RowData rowData(RowDef rowDef, Row row, RowDataCreator creator) {
if(row instanceof PersistitGroupRow) {
return ((PersistitGroupRow)row).rowData();
}
return super.rowData(rowDef, row, creator);
}
// PersistitAdapter interface
public PersistitStore persistit()
{
return store;
}
public RowDef rowDef(int tableId)
{
return schema.ais().getTable(tableId).rowDef();
}
private RowDataCreator rowDataCreator() {
return new RowDataCreator();
}
public PersistitGroupRow newGroupRow()
{
return PersistitGroupRow.newPersistitGroupRow(this);
}
@Override
public IndexRow newIndexRow(IndexRowType indexRowType)
{
return
indexRowType.index().isTableIndex()
? new PersistitTableIndexRow(this, indexRowType)
: new PersistitGroupIndexRow(this, indexRowType);
}
@Override
public IndexRow takeIndexRow(IndexRowType indexRowType)
{
return indexRowPool.takeIndexRow(this, indexRowType);
}
@Override
public void returnIndexRow(IndexRow indexRow)
{
indexRowPool.returnIndexRow(this, indexRow.rowType(), indexRow);
}
@Override
public IterationHelper createIterationHelper(IndexRowType indexRowType) {
return new PersistitIterationHelper(this, indexRowType);
}
public Exchange takeExchange(Group group) throws PersistitException
{
return store.getExchange(getSession(), group);
}
public Exchange takeExchange(Index index)
{
return store.getExchange(getSession(), index);
}
public Key newKey()
{
return new Key(store.getDb());
}
public void handlePersistitException(PersistitException e)
{
handlePersistitException(getSession(), e);
}
public static boolean isFromInterruption(Throwable e) {
Throwable cause = e.getCause();
return (e instanceof PersistitInterruptedException) ||
((cause != null) &&
(cause instanceof PersistitInterruptedException ||
cause instanceof InterruptedIOException ||
cause instanceof InterruptedException));
}
public static RuntimeException wrapPersistitException(Session session, Throwable e)
{
assert e != null;
if (isFromInterruption(e)) {
return new QueryCanceledException(session);
} else if (e instanceof RollbackException) {
return new PersistitRollbackException(e);
} else {
return new PersistitAdapterException(e);
}
}
public static void handlePersistitException(Session session, Throwable e)
{
throw wrapPersistitException(session, e);
}
public void returnExchange(Exchange exchange)
{
store.releaseExchange(getSession(), exchange);
}
private Transaction transaction() {
return treeService.getTransaction(getSession());
}
public PersistitAdapter(Schema schema,
PersistitStore store,
TreeService treeService,
Session session,
ConfigurationService config)
{
super(schema, session, config);
this.store = store;
this.treeService = treeService;
}
// For use within hierarchy
@Override
public Store getUnderlyingStore() {
return store;
}
// For use by this class
private void rollbackIfNeeded(Exception e) {
if((e instanceof DuplicateKeyException) ||
(e instanceof PersistitException) ||
(e instanceof PersistitAdapterException) ||
isFromInterruption(e)) {
Transaction txn = transaction();
if(txn.isActive()) {
txn.rollback();
}
}
}
@Override
public long sequenceNextValue(Sequence sequence) {
return store.nextSequenceValue(getSession(), sequence);
}
@Override
public long sequenceCurrentValue(Sequence sequence) {
return store.curSequenceValue(getSession(), sequence);
}
@Override
public Key createKey() {
return store.createKey();
}
// Class state
private static IndexRowPool indexRowPool = new IndexRowPool();
// Object state
private final TreeService treeService;
private final PersistitStore store;
}