/*******************************************************************************
* Copyright (c) 1998, 2011 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.platform.database;
import java.util.*;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.internal.databaseaccess.FieldTypeDefinition;
/**
* TopLink Platform class which works with Attunity's Connect JDBC driver.
*/
public class AttunityPlatform extends org.eclipse.persistence.platform.database.DatabasePlatform {
public AttunityPlatform() {
// For TEXT and IMAGE fields, streams must be used for binding
usesStreamsForBinding = true;
// Autocomit did not work as expected when this class was written.
supportsAutoCommit = false;
}
/**
* Create a table which can translate between java types and Attunity Connect
* data types.
* @return java.util.Hashtable
*/
protected Hashtable buildFieldTypes() {
Hashtable fieldTypeMapping;
fieldTypeMapping = new Hashtable();
fieldTypeMapping.put(Boolean.class, new FieldTypeDefinition("TINYINT", false));
fieldTypeMapping.put(Integer.class, new FieldTypeDefinition("NUMERIC", 10));
fieldTypeMapping.put(Long.class, new FieldTypeDefinition("NUMERIC", 19));
fieldTypeMapping.put(Float.class, new FieldTypeDefinition("NUMERIC", 19, 4));
fieldTypeMapping.put(Double.class, new FieldTypeDefinition("NUMERIC", 19, 4));
fieldTypeMapping.put(Short.class, new FieldTypeDefinition("NUMERIC", 5));
fieldTypeMapping.put(Byte.class, new FieldTypeDefinition("NUMERIC", 3));
fieldTypeMapping.put(java.math.BigInteger.class, new FieldTypeDefinition("NUMERIC", 38));
fieldTypeMapping.put(java.math.BigDecimal.class, new FieldTypeDefinition("DOUBLE", false));
fieldTypeMapping.put(Number.class, new FieldTypeDefinition("DOUBLE", false));
fieldTypeMapping.put(String.class, new FieldTypeDefinition("VARCHAR", DEFAULT_VARCHAR_SIZE));
fieldTypeMapping.put(Character.class, new FieldTypeDefinition("CHAR", 1));
fieldTypeMapping.put(Byte[].class, new FieldTypeDefinition("IMAGE", false));
fieldTypeMapping.put(Character[].class, new FieldTypeDefinition("TEXT", false));
fieldTypeMapping.put(byte[].class, new FieldTypeDefinition("IMAGE", false));
fieldTypeMapping.put(char[].class, new FieldTypeDefinition("TEXT", false));
fieldTypeMapping.put(java.sql.Blob.class, new FieldTypeDefinition("IMAGE", false));
fieldTypeMapping.put(java.sql.Clob.class, new FieldTypeDefinition("TEXT", false));
fieldTypeMapping.put(java.sql.Date.class, new FieldTypeDefinition("DATE", false));
fieldTypeMapping.put(java.sql.Time.class, new FieldTypeDefinition("TIME", false));
fieldTypeMapping.put(java.sql.Timestamp.class, new FieldTypeDefinition("TIMESTAMP", false));
return fieldTypeMapping;
}
/**
* Initialize any platform-specific operators
*/
protected void initializePlatformOperators() {
super.initializePlatformOperators();
addOperator(ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Concat, "CONCAT"));
}
public boolean isAttunity() {
return true;
}
/**
* Attunity Connect does not support specifying the primary key in the create table
* syntax.
* @return boolean false
*/
public boolean supportsPrimaryKeyConstraint() {
return false;
}
/**
* Attunity Connect does not support creating foreign key constraints with the ALTER TABLE
* syntax.
* @return boolean false.
*/
public boolean supportsForeignKeyConstraints() {
return false;
}
}