/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.translator.couchbase;
import org.teiid.couchbase.CouchbaseConnection;
import org.teiid.language.Command;
import org.teiid.logging.LogConstants;
import org.teiid.logging.LogManager;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.DataNotAvailableException;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.UpdateExecution;
import com.couchbase.client.java.query.N1qlQueryResult;
public class CouchbaseUpdateExecution extends CouchbaseExecution implements UpdateExecution {
private Command command;
private N1QLUpdateVisitor visitor;
private int[] returns = new int[] {0};
protected CouchbaseUpdateExecution(Command command, CouchbaseExecutionFactory ef, ExecutionContext context, RuntimeMetadata metadata, CouchbaseConnection conn) {
super(ef, context, metadata, conn);
this.command = command;
}
@Override
public void execute() throws TranslatorException {
this.visitor = this.executionFactory.getN1QLUpdateVisitor();
this.visitor.append(this.command);
N1qlQueryResult results;
int count = 0;
if(visitor.getBulkCommands() != null) {
for(String n1ql : visitor.getBulkCommands()) {
results = executeDirect(n1ql);
if(results != null) {
count += results.allRows().size();
}
}
} else {
results = executeDirect(visitor.toString());
if(results != null) {
count = results.allRows().size();
}
}
if(count > 0) {
this.returns = new int[1];
this.returns[0] = count;
}
}
private N1qlQueryResult executeDirect(String n1ql) {
LogManager.logDetail(LogConstants.CTX_CONNECTOR, CouchbasePlugin.Util.gs(CouchbasePlugin.Event.TEIID29004, n1ql));
executionContext.logCommand(n1ql);
return this.connection.execute(n1ql);
}
@Override
public int[] getUpdateCounts() throws DataNotAvailableException, TranslatorException {
return this.returns;
}
@Override
public void close() {
}
@Override
public void cancel() throws TranslatorException {
}
}