/*
* 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.yahoo;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.teiid.core.types.DataTypeManager;
import org.teiid.language.QueryExpression;
import org.teiid.language.Select;
import org.teiid.metadata.MetadataFactory;
import org.teiid.metadata.RuntimeMetadata;
import org.teiid.metadata.Table;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.ExecutionFactory;
import org.teiid.translator.ResultSetExecution;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
@Translator(name="yahoo", description="A translator for testing to obtain stock quotes from Yahoo web site")
public class YahooExecutionFactory extends ExecutionFactory<Object, Object> {
public static final int YAHOO_MAX_SET_SIZE = 100;
public YahooExecutionFactory() {
setMaxInCriteriaSize(YAHOO_MAX_SET_SIZE);
}
@Override
public void start() throws TranslatorException {
}
@Override
public ResultSetExecution createResultSetExecution(QueryExpression command, ExecutionContext executionContext, RuntimeMetadata metadata, Object connectionFactory)
throws TranslatorException {
return new YahooExecution((Select)command, metadata);
}
public List getSupportedFunctions() {
return Collections.EMPTY_LIST;
}
public boolean supportsCompareCriteriaEquals() {
return true;
}
public boolean supportsInCriteria() {
return true;
}
@Override
public boolean isSourceRequired() {
return false;
}
@Override
public void getMetadata(MetadataFactory metadataFactory, Object connection) throws TranslatorException {
Table t = metadataFactory.addTable("Stock"); //$NON-NLS-1$
metadataFactory.addColumn("symbol", DataTypeManager.DefaultDataTypes.STRING, t); //$NON-NLS-1$
metadataFactory.addColumn("last", DataTypeManager.DefaultDataTypes.DOUBLE, t); //$NON-NLS-1$
metadataFactory.addColumn("date", DataTypeManager.DefaultDataTypes.DATE, t); //$NON-NLS-1$
metadataFactory.addColumn("time", DataTypeManager.DefaultDataTypes.TIME, t); //$NON-NLS-1$
metadataFactory.addColumn("change", DataTypeManager.DefaultDataTypes.DOUBLE, t); //$NON-NLS-1$
metadataFactory.addColumn("open", DataTypeManager.DefaultDataTypes.DOUBLE, t); //$NON-NLS-1$
metadataFactory.addColumn("high", DataTypeManager.DefaultDataTypes.DOUBLE, t); //$NON-NLS-1$
metadataFactory.addColumn("low", DataTypeManager.DefaultDataTypes.DOUBLE, t); //$NON-NLS-1$
metadataFactory.addColumn("volume", DataTypeManager.DefaultDataTypes.BIG_INTEGER, t); //$NON-NLS-1$
metadataFactory.addAccessPattern("needs_symbol", Arrays.asList("symbol"), t); //$NON-NLS-1$ //$NON-NLS-2$
}
}