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/*
* Copyright 2008 biaoping.yin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.frameworkset.orm.platform;
/*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.sql.Types;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import com.frameworkset.orm.adapter.DBFactory;
import com.frameworkset.orm.engine.model.Domain;
import com.frameworkset.orm.engine.model.SchemaType;
/**
* Default implementation for the Platform interface.
*
* @author Martin Poeschl
* @version $Id: PlatformDefaultImpl.java,v 1.9 2004/02/22 06:27:19 jmcnally Exp $
*/
public class PlatformDefaultImpl implements Platform
{
private Map schemaDomainMap;
/**
* Default constructor.
*/
public PlatformDefaultImpl()
{
initialize();
}
private void initialize()
{
schemaDomainMap = new Hashtable(30);
Iterator iter = SchemaType.iterator();
while (iter.hasNext())
{
SchemaType type = (SchemaType) iter.next();
schemaDomainMap.put(type, new Domain(type));
}
schemaDomainMap.put(SchemaType.BOOLEANCHAR,
new Domain(SchemaType.BOOLEANCHAR, "CHAR"));
schemaDomainMap.put(SchemaType.BOOLEANINT,
new Domain(SchemaType.BOOLEANINT, "INTEGER"));
}
protected void setSchemaDomainMapping(Domain domain)
{
schemaDomainMap.put(domain.getType(), domain);
}
/**
* @see Platform#getMaxColumnNameLength()
*/
public int getMaxColumnNameLength()
{
return 64;
}
/**
* @see Platform#getNativeIdMethod()
*/
public String getNativeIdMethod()
{
return Platform.IDENTITY;
}
/**
* @see Platform#getDomainForJdbcType(SchemaType)
*/
public Domain getDomainForSchemaType(SchemaType jdbcType)
{
return (Domain) schemaDomainMap.get(jdbcType);
}
/**
* @return Only produces a SQL fragment if null values are
* disallowed.
* @see Platform#getNullString(boolean)
*/
public String getNullString(boolean notNull)
{
// TODO: Check whether this is true for all DBs. Also verify
// the old Sybase templates.
return (notNull ? "NOT NULL" : "");
}
public SchemaType getSchemaTypeFromSqlType(int sqltype,String typeName)
{
switch(sqltype)
{
/**
* The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* BIT.
*/
case Types.BIT:
return SchemaType.BIT;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* TINYINT.
*/
case Types.TINYINT:
return SchemaType.TINYINT;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* SMALLINT.
*/
case Types.SMALLINT:
return SchemaType.SMALLINT;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* INTEGER.
*/
case Types.INTEGER:
return SchemaType.INTEGER;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* BIGINT.
*/
case Types.BIGINT:
return SchemaType.BIGINT;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* FLOAT.
*/
case Types.FLOAT:
return SchemaType.FLOAT;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* REAL.
*/
case Types.REAL:
return SchemaType.REAL;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* DOUBLE.
*/
case Types.DOUBLE:
return SchemaType.DOUBLE;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* NUMERIC.
*/
case Types.NUMERIC:
return SchemaType.NUMERIC;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* DECIMAL.
*/
case Types.DECIMAL:
return SchemaType.DECIMAL;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* CHAR.
*/
case Types.CHAR:
return SchemaType.CHAR;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* VARCHAR.
*/
case Types.VARCHAR:
return SchemaType.VARCHAR;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* LONGVARCHAR.
*/
case Types.LONGVARCHAR:
return SchemaType.LONGVARCHAR;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* DATE.
*/
case Types.DATE:
return SchemaType.DATE;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* TIME.
*/
case Types.TIME:
return SchemaType.TIME;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* TIMESTAMP.
*/
case Types.TIMESTAMP:
return SchemaType.TIMESTAMP;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* BINARY.
*/
case Types.BINARY:
return SchemaType.BINARY;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* VARBINARY.
*/
case Types.VARBINARY:
return SchemaType.VARBINARY;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* LONGVARBINARY.
*/
case Types.LONGVARBINARY:
return SchemaType.LONGVARBINARY;
/**
*
The constant in the Java programming language, sometimes referred
* to as a type code, that identifies the generic SQL type
* NULL.
*/
case Types.NULL:
return SchemaType.NULL;
/**
* The constant in the Java programming language that indicates
* that the SQL type is database-specific and
* gets mapped to a Java object that can be accessed via
* the methods getObject and setObject.
*/
case Types.OTHER:
{
if(typeName != null )
{
if(typeName.equals("NVARCHAR2"))
return SchemaType.VARCHAR;
else if(typeName.startsWith("TIMESTAMP"))
return SchemaType.TIMESTAMP;
}
return SchemaType.OTHER;
}
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* JAVA_OBJECT.
* @since 1.2
*/
case Types.JAVA_OBJECT:
return SchemaType.JAVA_OBJECT;
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* DISTINCT.
* @since 1.2
*/
case Types.DISTINCT:
return SchemaType.DISTINCT;
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* STRUCT.
* @since 1.2
*/
case Types.STRUCT:
return SchemaType.STRUCT;
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* ARRAY.
* @since 1.2
*/
case Types.ARRAY:
return SchemaType.ARRAY;
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* BLOB.
* @since 1.2
*/
case Types.BLOB:
return SchemaType.BLOB;
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* CLOB.
* @since 1.2
*/
case Types.CLOB:
return SchemaType.CLOB;
/**
* The constant in the Java programming language, sometimes referred to
* as a type code, that identifies the generic SQL type
* REF.
* @since 1.2
*/
case Types.REF:
return SchemaType.REF;
/**
* The constant in the Java programming language, somtimes referred to
* as a type code, that identifies the generic SQL type DATALINK.
*
* @since 1.4
*/
case Types.DATALINK:
return SchemaType.DATALINK;
/**
* The constant in the Java programming language, somtimes referred to
* as a type code, that identifies the generic SQL type BOOLEAN.
*
* @since 1.4
*/
case Types.BOOLEAN:
return SchemaType.BOOLEANCHAR;
default:
return SchemaType.DEFAULT;
}
}
/**
* @see Platform#getAutoIncrement()
*/
public String getAutoIncrement()
{
return "IDENTITY";
}
/**
* @see Platform#hasScale(String)
* TODO collect info for all platforms
*/
public boolean hasScale(String sqlType)
{
return true;
}
/**
* @see Platform#hasSize(String)
* TODO collect info for all platforms
*/
public boolean hasSize(String sqlType)
{
return true;
}
public Domain getDomainForSchemaType(int jdbcType,String typeName)
{
// TODO Auto-generated method stub
return this.getDomainForSchemaType(this.getSchemaTypeFromSqlType(jdbcType, typeName));
}
public boolean hasSize(int sqlType)
{
// TODO Auto-generated method stub
return false;
}
public boolean hasScale(int sqlType)
{
// TODO Auto-generated method stub
return false;
}
public String getDBTYPE()
{
return DBFactory.DBNone;
}
}