/*
* 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.jdbc.pi;
import static org.teiid.translator.TypeFacility.RUNTIME_NAMES.*;
import java.sql.Connection;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.teiid.language.ColumnReference;
import org.teiid.language.DerivedColumn;
import org.teiid.language.Function;
import org.teiid.language.LanguageObject;
import org.teiid.language.Limit;
import org.teiid.metadata.MetadataFactory;
import org.teiid.translator.ExecutionContext;
import org.teiid.translator.MetadataProcessor;
import org.teiid.translator.SourceSystemFunctions;
import org.teiid.translator.Translator;
import org.teiid.translator.TranslatorException;
import org.teiid.translator.TypeFacility;
import org.teiid.translator.jdbc.AliasModifier;
import org.teiid.translator.jdbc.ConvertModifier;
import org.teiid.translator.jdbc.FunctionModifier;
import org.teiid.translator.jdbc.JDBCExecutionFactory;
import org.teiid.translator.jdbc.SQLConversionVisitor;
@Translator(name="osisoft-pi", description="A translator for OsiSoft PI database")
public class PIExecutionFactory extends JDBCExecutionFactory {
public static String PI = "pi"; //$NON-NLS-1$
protected ConvertModifier convert = new ConvertModifier();
public PIExecutionFactory() {
setUseBindVariables(false);
setSupportsFullOuterJoins(false);
}
@Override
public void start() throws TranslatorException {
super.start();
convert.addTypeMapping("Int8", FunctionModifier.BYTE); //$NON-NLS-1$
convert.addTypeMapping("Int16", FunctionModifier.SHORT); //$NON-NLS-1$
convert.addTypeMapping("Int32", FunctionModifier.INTEGER); //$NON-NLS-1$
convert.addTypeMapping("Int64", FunctionModifier.LONG); //$NON-NLS-1$
convert.addTypeMapping("Single", FunctionModifier.FLOAT); //$NON-NLS-1$
convert.addTypeMapping("Double", FunctionModifier.DOUBLE); //$NON-NLS-1$
convert.addTypeMapping("Boolean", FunctionModifier.BOOLEAN); //$NON-NLS-1$
convert.addTypeMapping("String", FunctionModifier.STRING); //$NON-NLS-1$
convert.addTypeMapping("DateTime", FunctionModifier.TIMESTAMP); //$NON-NLS-1$
convert.addTypeMapping("Time", FunctionModifier.TIME); //$NON-NLS-1$
convert.addTypeMapping("Variant", FunctionModifier.OBJECT); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.CONVERT, convert);
registerFunctionModifier(SourceSystemFunctions.MOD, new AliasModifier("%")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.DAYOFYEAR, new AliasModifier("DAY")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.LOCATE, new FunctionModifier() {
@Override
public List<?> translate(Function function) {
function.setName("INSTR"); //$NON-NLS-1$
if (function.getParameters().get(2) == null) {
return Arrays.asList(function.getParameters().get(1), function.getParameters().get(0));
}
return Arrays.asList(function.getParameters().get(1), function.getParameters().get(0), function.getParameters().get(2));
}
});
registerFunctionModifier(SourceSystemFunctions.LCASE, new AliasModifier("LOWER")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.UCASE, new AliasModifier("UPPER")); //$NON-NLS-1$
registerFunctionModifier(SourceSystemFunctions.SUBSTRING, new AliasModifier("SUBSTR")); //$NON-NLS-1$
addPushDownFunction(PI, "COSH", FLOAT, FLOAT); //$NON-NLS-1$
addPushDownFunction(PI, "TANH", FLOAT, FLOAT); //$NON-NLS-1$
addPushDownFunction(PI, "SINH", FLOAT, FLOAT); //$NON-NLS-1$
addPushDownFunction(PI, "FORMAT", STRING, FLOAT, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "FORMAT", STRING, INTEGER, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "ParentName", STRING, STRING, INTEGER); //$NON-NLS-1$
addPushDownFunction(PI, "List", STRING, STRING) //$NON-NLS-1$
.setVarArgs(true);
addPushDownFunction(PI, "DIGCODE", INTEGER, STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "DIGSTRING", STRING, INTEGER); //$NON-NLS-1$
addPushDownFunction(PI, "PE", STRING, OBJECT); //$NON-NLS-1$
addPushDownFunction(PI, "ParentName", STRING, STRING, INTEGER); //$NON-NLS-1$
addPushDownFunction(PI, "VarType", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "UOMID", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "UOMName", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "UOMAbbreviation", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "UOMClassName", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "UOMCanonicallD", STRING, STRING); //$NON-NLS-1$
addPushDownFunction(PI, "UOMConvert", DOUBLE, DOUBLE, STRING, STRING); //$NON-NLS-1$
}
@Override
public boolean supportsSelectWithoutFrom() {
return true;
}
@Override
public boolean supportsInlineViews() {
return true;
}
@Override
public boolean supportsRowLimit() {
return true;
}
@Override
public boolean supportsFunctionsInGroupBy() {
return true;
}
@Override
public boolean supportsInsertWithQueryExpression() {
return false;
}
@Override
public boolean supportsBatchedUpdates() {
return false;
}
@Override
public boolean supportsBulkUpdate() {
return false;
}
@Override
public List<?> translateLimit(Limit limit, ExecutionContext context) {
return Arrays.asList("TOP ", limit.getRowLimit()); //$NON-NLS-1$
}
@Override
public boolean useSelectLimit() {
return true;
}
@Override
public List<String> getSupportedFunctions() {
List<String> supportedFunctions = new ArrayList<String>();
supportedFunctions.addAll(super.getSupportedFunctions());
supportedFunctions.add(SourceSystemFunctions.ABS);
supportedFunctions.add(SourceSystemFunctions.ACOS);
supportedFunctions.add(SourceSystemFunctions.ASIN);
supportedFunctions.add(SourceSystemFunctions.ATAN);
supportedFunctions.add(SourceSystemFunctions.ATAN2);
supportedFunctions.add(SourceSystemFunctions.CEILING);
supportedFunctions.add(SourceSystemFunctions.COALESCE);
supportedFunctions.add(SourceSystemFunctions.CONCAT);
supportedFunctions.add(SourceSystemFunctions.COS);
supportedFunctions.add(SourceSystemFunctions.CONVERT);
supportedFunctions.add(SourceSystemFunctions.DAYOFYEAR);
supportedFunctions.add(SourceSystemFunctions.EXP);
supportedFunctions.add(SourceSystemFunctions.FLOOR);
supportedFunctions.add(SourceSystemFunctions.HOUR);
supportedFunctions.add(SourceSystemFunctions.LCASE);
supportedFunctions.add(SourceSystemFunctions.LOCATE);
supportedFunctions.add(SourceSystemFunctions.LEFT);
supportedFunctions.add(SourceSystemFunctions.LENGTH);
supportedFunctions.add(SourceSystemFunctions.LTRIM);
supportedFunctions.add(SourceSystemFunctions.LOG);
supportedFunctions.add(SourceSystemFunctions.LOG10);
supportedFunctions.add(SourceSystemFunctions.MINUTE);
supportedFunctions.add(SourceSystemFunctions.MOD);
supportedFunctions.add(SourceSystemFunctions.POWER);
supportedFunctions.add(SourceSystemFunctions.SECOND);
supportedFunctions.add(SourceSystemFunctions.SQRT);
supportedFunctions.add(SourceSystemFunctions.REPLACE);
supportedFunctions.add(SourceSystemFunctions.RIGHT);
supportedFunctions.add(SourceSystemFunctions.ROUND);
supportedFunctions.add(SourceSystemFunctions.RTRIM);
supportedFunctions.add(SourceSystemFunctions.MONTH);
supportedFunctions.add(SourceSystemFunctions.NULLIF);
supportedFunctions.add(SourceSystemFunctions.PI);
supportedFunctions.add(SourceSystemFunctions.SIN);
supportedFunctions.add(SourceSystemFunctions.SUBSTRING);
supportedFunctions.add(SourceSystemFunctions.TAN);
supportedFunctions.add(SourceSystemFunctions.TRIM);
supportedFunctions.add(SourceSystemFunctions.UCASE);
supportedFunctions.add(SourceSystemFunctions.YEAR);
return supportedFunctions;
}
@Override
public String translateLiteralDate(Date dateValue) {
return "'" + formatDateValue(dateValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public String translateLiteralTime(Time timeValue) {
return "'" + formatDateValue(timeValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public String translateLiteralTimestamp(Timestamp timestampValue) {
return "'" + formatDateValue(timestampValue) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
}
@Override
public void getMetadata(MetadataFactory metadataFactory, Connection conn) throws TranslatorException {
if (metadataFactory.getModelProperties().get("importer.ImportKeys") == null) {
metadataFactory.getModelProperties().put("importer.ImportKeys", "false");
}
super.getMetadata(metadataFactory, conn);
}
@Override
public MetadataProcessor<Connection> getMetadataProcessor() {
return new PIMetadataProcessor();
}
public boolean useAsInGroupAlias(){
return true;
}
@Override
public List<?> translate(LanguageObject obj, ExecutionContext context) {
if (obj instanceof DerivedColumn) {
DerivedColumn derived = (DerivedColumn)obj;
if (derived.getExpression() instanceof ColumnReference) {
ColumnReference elem = (ColumnReference)derived.getExpression();
String nativeType = elem.getMetadataObject().getNativeType();
if (TypeFacility.RUNTIME_TYPES.STRING.equals(elem.getType())
&& elem.getMetadataObject() != null
&& nativeType != null
&& PIMetadataProcessor.guidPattern.matcher(nativeType).find()) {
return Arrays.asList("cast(", elem, " as String)"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}
return super.translate(obj, context);
}
@Override
public SQLConversionVisitor getSQLConversionVisitor() {
return new PISQLConversionVisitor(this);
}
/**
*
* @return true if the source supports lateral join
*/
public boolean supportsLateralJoin() {
return true;
}
/**
*
* @return true if the source supports lateral join conditions
*/
public boolean supportsLateralJoinCondition() {
return false;
}
/**
*
* @return
*/
public boolean supportsProcedureTable() {
return true;
}
}