FakeTranslationFactory.java

/*
 * 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.cdk.unittest;

import java.util.List;

import org.teiid.cdk.api.TranslationUtility;
import org.teiid.core.types.DataTypeManager;
import org.teiid.metadata.Column;
import org.teiid.metadata.MetadataStore;
import org.teiid.metadata.Schema;
import org.teiid.metadata.Table;
import org.teiid.metadata.Column.SearchType;
import org.teiid.query.unittest.RealMetadataFactory;

@SuppressWarnings("nls")
public class FakeTranslationFactory {
	
	private static FakeTranslationFactory instance = new FakeTranslationFactory();
	
	public static FakeTranslationFactory getInstance() {
		return instance;
	}

	public TranslationUtility getBQTTranslationUtility() {
		return new TranslationUtility(RealMetadataFactory.exampleBQTCached());
	}
	
	public TranslationUtility getYahooTranslationUtility() {
		MetadataStore metadataStore = new MetadataStore();
        // Create models
        Schema yahoo = RealMetadataFactory.createPhysicalModel("Yahoo", metadataStore); //$NON-NLS-1$
        
        // Create physical groups
        Table quotes = RealMetadataFactory.createPhysicalGroup("Yahoo.QuoteServer", yahoo); //$NON-NLS-1$
                
        // Create physical elements
        String[] elemNames = new String[] {
            "TickerSymbol", "LastTrade",  //$NON-NLS-1$ //$NON-NLS-2$
            "LastTradeDate", "LastTradeTime", //$NON-NLS-1$ //$NON-NLS-2$
            "PercentageChange", "TickerSymbol2",  //$NON-NLS-1$ //$NON-NLS-2$
            "DaysHigh", "DaysLow",  //$NON-NLS-1$ //$NON-NLS-2$
            "TotalVolume"             //$NON-NLS-1$
        };
        String[] elemTypes = new String[] {  
            DataTypeManager.DefaultDataTypes.STRING, DataTypeManager.DefaultDataTypes.DOUBLE,
            DataTypeManager.DefaultDataTypes.DATE, DataTypeManager.DefaultDataTypes.TIME,
            DataTypeManager.DefaultDataTypes.DOUBLE, DataTypeManager.DefaultDataTypes.STRING,
            DataTypeManager.DefaultDataTypes.DOUBLE, DataTypeManager.DefaultDataTypes.DOUBLE,
            DataTypeManager.DefaultDataTypes.BIG_INTEGER            
        };
        
        List<Column> cols = RealMetadataFactory.createElements(quotes, elemNames, elemTypes);
        
        // Set name in source on each column
        String[] nameInSource = new String[] {
           "Symbol", "Last", "Date", "Time", "Change", "Symbol2", "High", "Low", "Volume"        
        };
        for(int i=0; i<nameInSource.length; i++) {
            cols.get(i).setNameInSource(nameInSource[i]);
        }
        
        // Set column-specific properties
        cols.get(0).setSelectable(false);
        cols.get(0).setSearchType(SearchType.Unsearchable);
        
		return new TranslationUtility(RealMetadataFactory.createTransformationMetadata(metadataStore, "yahoo"));
	}
	
	public TranslationUtility getExampleTranslationUtility() {
		return new TranslationUtility(RealMetadataFactory.example1Cached());
	}
	
}