/*
* 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.google;
import java.util.Arrays;
import java.util.List;
import javax.resource.cci.ConnectionFactory;
import org.teiid.core.BundleUtil;
import org.teiid.language.Argument;
import org.teiid.language.Call;
import org.teiid.language.Command;
import org.teiid.language.QueryExpression;
import org.teiid.language.Select;
import org.teiid.language.visitor.SQLStringVisitor;
import org.teiid.logging.LogConstants;
import org.teiid.logging.LogManager;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.ExecutionFactory;
import org.teiid.translator.MetadataProcessor;
import org.teiid.translator.ProcedureExecution;
import org.teiid.translator.ResultSetExecution;
import org.teiid.translator.SourceSystemFunctions;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.UpdateExecution;
import org.teiid.translator.google.api.GoogleSpreadsheetConnection;
/**
* Translator that is used to translate SQL to Google spreadsheet API. Translator uses Google Visualization API and Google Data API.
*
* @author felias
*
*/
@Translator(name="google-spreadsheet", description="A translator for Google Spreadsheet")
public class SpreadsheetExecutionFactory extends ExecutionFactory<ConnectionFactory, GoogleSpreadsheetConnection>{
public static final BundleUtil UTIL = BundleUtil.getBundleUtil(SpreadsheetExecutionFactory.class);
public SpreadsheetExecutionFactory() {
setTransactionSupport(TransactionSupport.NONE);
}
@Override
public void start() throws TranslatorException {
super.start();
LogManager.logTrace(LogConstants.CTX_CONNECTOR, "Google Spreadsheet ExecutionFactory Started"); //$NON-NLS-1$
}
@Override
public ResultSetExecution createResultSetExecution(QueryExpression command, ExecutionContext executionContext, RuntimeMetadata metadata, GoogleSpreadsheetConnection connection)
throws TranslatorException {
return new SpreadsheetQueryExecution((Select)command, connection, executionContext);
}
@Override
public UpdateExecution createUpdateExecution(Command command, ExecutionContext executionContext, RuntimeMetadata metadata, GoogleSpreadsheetConnection connection) throws TranslatorException {
UpdateExecution result = new SpreadsheetUpdateExecution(command, connection, executionContext, metadata);
return result;
}
@Override
public ProcedureExecution createDirectExecution(List<Argument> arguments, Command command, ExecutionContext executionContext, RuntimeMetadata metadata, GoogleSpreadsheetConnection connection) throws TranslatorException {
return new DirectSpreadsheetQueryExecution((String)arguments.get(0).getArgumentValue().getValue(), arguments.subList(1, arguments.size()), executionContext, connection, true);
}
@Override
public ProcedureExecution createProcedureExecution(Call command,
ExecutionContext executionContext, RuntimeMetadata metadata,
GoogleSpreadsheetConnection connection) throws TranslatorException {
String nativeQuery = command.getMetadataObject().getProperty(SQLStringVisitor.TEIID_NATIVE_QUERY, false);
if (nativeQuery != null) {
return new DirectSpreadsheetQueryExecution(nativeQuery, command.getArguments(), executionContext, connection, false);
}
throw new TranslatorException("Missing native-query extension metadata."); //$NON-NLS-1$
}
@Override
public MetadataProcessor<GoogleSpreadsheetConnection> getMetadataProcessor(){
return new GoogleMetadataProcessor();
}
@Override
public boolean supportsCompareCriteriaEquals() {
return true;
}
@Override
public boolean supportsInCriteria() {
return false;
}
@Override
public boolean supportsLikeCriteria() {
return true;
}
@Override
public boolean supportsOrCriteria() {
return true;
}
@Override
public boolean supportsNotCriteria() {
return true;
}
@Override
public boolean supportsAggregatesCount() {
return true;
}
@Override
public boolean supportsAggregatesMax() {
return true;
}
@Override
public boolean supportsAggregatesMin() {
return true;
}
@Override
public boolean supportsAggregatesSum() {
return true;
}
@Override
public boolean supportsAggregatesAvg() {
return true;
}
@Override
public boolean supportsGroupBy() {
return true;
}
@Override
public boolean supportsOrderBy() {
return false;
}
@Override
public boolean supportsHaving() {
return false;
}
@Override
public boolean supportsCompareCriteriaOrdered() {
return true;
}
@Override
public boolean supportsRowLimit() {
return true;
}
@Override
public boolean supportsRowOffset() {
return true;
}
@Override
public List<String> getSupportedFunctions() {
return Arrays.asList(SourceSystemFunctions.YEAR,
SourceSystemFunctions.MONTH, SourceSystemFunctions.DAYOFMONTH,
SourceSystemFunctions.HOUR, SourceSystemFunctions.MINUTE,
SourceSystemFunctions.SECOND, SourceSystemFunctions.QUARTER,
SourceSystemFunctions.DAYOFWEEK, SourceSystemFunctions.UCASE,
SourceSystemFunctions.LCASE);
}
}