/*
* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.clusterj.tie;
import com.mysql.ndbjtie.ndbapi.NdbErrorConst;
import com.mysql.ndbjtie.ndbapi.NdbOperation;
import com.mysql.ndbjtie.ndbapi.NdbScanFilter;
import com.mysql.ndbjtie.ndbapi.NdbScanOperation;
import com.mysql.clusterj.core.spi.QueryExecutionContext;
import com.mysql.clusterj.core.store.ResultData;
import com.mysql.clusterj.core.store.ScanFilter;
import com.mysql.clusterj.core.store.ScanOperation;
import com.mysql.clusterj.core.store.Table;
/**
*
*/
class ScanOperationImpl extends OperationImpl implements ScanOperation {
private NdbScanOperation ndbScanOperation;
ScanOperationImpl(Table storeTable, NdbScanOperation operation,
ClusterTransactionImpl clusterTransaction) {
super(storeTable, operation, clusterTransaction);
this.ndbScanOperation = operation;
}
public void close() {
ndbScanOperation.close(true, true);
}
public void deleteCurrentTuple() {
int returnCode = ndbScanOperation.deleteCurrentTuple();
handleError(returnCode, ndbScanOperation);
}
public ScanFilter getScanFilter(QueryExecutionContext context) {
NdbScanFilter ndbScanFilter = NdbScanFilter.create(ndbScanOperation);
handleError(ndbScanFilter, ndbScanOperation);
ScanFilter scanFilter = new ScanFilterImpl(ndbScanFilter);
context.addFilter(scanFilter);
return scanFilter;
}
public int nextResult(boolean fetch) {
int result = ndbScanOperation.nextResult(fetch, false);
clusterTransaction.handleError(result);
return result;
}
@Override
public ResultData resultData() {
ResultData result = new ScanResultDataImpl(ndbScanOperation, storeColumns,
maximumColumnId, bufferSize, offsets, lengths, maximumColumnLength, bufferManager);
clusterTransaction.executeNoCommit(false, true);
return result;
}
@Override
protected void handleError(int returnCode, NdbOperation ndbOperation) {
if (returnCode == 0) {
return;
} else {
// first check if the error is reported in the NdbOperation
NdbErrorConst ndbError = ndbOperation.getNdbError();
if (ndbError != null) {
// the error is in NdbOperation
Utility.throwError(returnCode, ndbError);
} else {
// the error must be in the NdbTransaction
clusterTransaction.handleError(returnCode);
}
}
}
}