/*
* 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.simpledb;
import java.util.List;
import javax.resource.cci.ConnectionFactory;
import org.teiid.language.Argument;
import org.teiid.language.Command;
import org.teiid.language.Delete;
import org.teiid.language.Insert;
import org.teiid.language.QueryExpression;
import org.teiid.language.Select;
import org.teiid.language.Update;
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.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.TypeFacility;
import org.teiid.translator.UpdateExecution;
import org.teiid.translator.simpledb.api.SimpleDBConnection;
@Translator(name = "simpledb", description = "Translator for Amazon SimpleDB")
public class SimpleDBExecutionFactory extends ExecutionFactory<ConnectionFactory, SimpleDBConnection> {
public static final String INTERSECTION = "INTERSECTION"; //$NON-NLS-1$
public static final String ASTRING = "ASTRING"; //$NON-NLS-1$
public static final String EVERY = "EVERY"; //$NON-NLS-1$
public static final String SIMPLEDB = "SIMPLEDB"; //$NON-NLS-1$
public SimpleDBExecutionFactory() {
setSupportsOrderBy(true);
setSupportsDirectQueryProcedure(false);
setSourceRequiredForMetadata(true);
setTransactionSupport(TransactionSupport.NONE);
}
@Override
public void start() throws TranslatorException {
super.start();
addPushDownFunction(SIMPLEDB, EVERY, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING+"[]"); //$NON-NLS-1$
addPushDownFunction(SIMPLEDB, INTERSECTION, TypeFacility.RUNTIME_NAMES.BOOLEAN, TypeFacility.RUNTIME_NAMES.STRING+"[]", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(SIMPLEDB, INTERSECTION, TypeFacility.RUNTIME_NAMES.BOOLEAN, TypeFacility.RUNTIME_NAMES.STRING+"[]", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
addPushDownFunction(SIMPLEDB, INTERSECTION, TypeFacility.RUNTIME_NAMES.BOOLEAN, TypeFacility.RUNTIME_NAMES.STRING+"[]", TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING, TypeFacility.RUNTIME_NAMES.STRING); //$NON-NLS-1$
}
@Override
public UpdateExecution createUpdateExecution(final Command command, ExecutionContext executionContext,
RuntimeMetadata metadata, final SimpleDBConnection connection) throws TranslatorException {
if (command instanceof Insert) {
return new SimpleDBInsertExecute(command, connection);
} else if (command instanceof Delete) {
return new SimpleDBDeleteExecute(command, connection);
} else if (command instanceof Update) {
return new SimpleDBUpdateExecute(command, connection);
} else {
throw new TranslatorException("Just INSERT, DELETE and UPDATE are supported"); //$NON-NLS-1$
}
}
@Override
public ProcedureExecution createDirectExecution(List<Argument> arguments, Command command, ExecutionContext executionContext, RuntimeMetadata metadata, SimpleDBConnection connection) throws TranslatorException {
return new SimpleDBDirectQueryExecution(arguments, command, metadata, connection, executionContext);
}
@Override
public ResultSetExecution createResultSetExecution(final QueryExpression command,
ExecutionContext executionContext, RuntimeMetadata metadata, final SimpleDBConnection connection)
throws TranslatorException {
return new SimpleDBQueryExecution((Select)command, executionContext, metadata, connection);
}
@Override
public MetadataProcessor<SimpleDBConnection> getMetadataProcessor(){
return new SimpleDBMetadataProcessor();
}
@Override
public boolean supportsCompareCriteriaEquals() {
return true;
}
@Override
public boolean supportsCompareCriteriaOrdered() {
return true;
}
@Override
public boolean supportsInCriteria() {
return true;
}
@Override
public boolean supportsIsNullCriteria() {
return true;
}
@Override
public boolean supportsOnlyLiteralComparison() {
return true;
}
@Override
public boolean supportsRowLimit() {
return false; //the simpledb limit clause is a paging hint
}
@Override
public boolean supportsNotCriteria() {
return true;
}
@Override
public boolean supportsOrCriteria() {
return true;
}
@Override
public boolean supportsLikeCriteria() {
return true;
}
@Override
public boolean supportsLikeCriteriaEscapeCharacter() {
return true;
}
@Override
public boolean supportsAggregatesCountStar() {
return true;
}
@Override
public boolean supportsArrayType() {
return true;
}
@Override
public boolean supportsBulkUpdate() {
return true;
}
@Override
public boolean returnsSingleUpdateCount() {
return true;
}
}