CayenneConverter (Project Wonder Reference Documentation)

java.lang.Object
- er.cayenne.CayenneConverter

```
public class CayenneConverter
extends Object
```
CayenneModeler (which comes with Cayenne) includes a tool to convert EOModels to Cayenne models: create a new project and then choose Tools -> "Import EOModel".
I suggest trying that first. In my experience it didn't work well because the prototypes in ERPrototypes were not resolved.
This framework will allow you to convert an EOModel to a Cayenne model.
To use it just add the framework to your build path and then add this line to you application's constructor (replace MyModel with the name of your model):
```
 new er.cayenne.CayenneConverter().run(EOModelGroup.defaultGroup().modelNamed("MyModel"));
 
```
Run your WO app.
This will create a Cayenne DataMap file (called MyModel.map.xml) in the root of your Sources folder To use it you will need to run CayenneModeler and create a new project. Then give a name to the DataDomain (top-level) node that is created in the new project. Then choose File -> Import DataMap and select the .map.xml file that was generated.
The converter does not copy the connection dictionary from your model - you will need to re-enter that information by creating a DataNode using CayenneModeler.
The converter attempts to convert qualifiers for any fetch specifications you've defined in your model, but this should be considered just a best attempt, not guaranteed to be correct.

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`JAVA_BIGDECIMAL`
`static String`	`JAVA_BLOB`
`static String`	`JAVA_BOOLEAN`
`static String`	`JAVA_BYTE`
`static String`	`JAVA_BYTES`
`static String`	`JAVA_DOUBLE`
`static String`	`JAVA_FLOAT`
`static String`	`JAVA_INTEGER`
`static String`	`JAVA_LONG`
`static String`	`JAVA_SHORT`
`static String`	`JAVA_SQLDATE`
`static String`	`JAVA_STRING`
`static String`	`JAVA_TIME`
`static String`	`JAVA_TIMESTAMP`
`static String`	`JAVA_UTILDATE`
`static int`	`NOT_DEFINED`

Constructor Summary

Constructors
Constructor and Description

CayenneConverter()

Constructors
Constructor and Description
`CayenneConverter()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`String`	`getJavaClassName(EOAttribute attr)`
`static int`	`getSqlTypeByJava(Class<?> javaClass)` Guesses a default JDBC type for the Java class.
`static int`	`getSqlTypeByJava(String className)` Returns default java.sql.Types type by the Java type name.
`static void`	`main(String[] args)`
`void`	`run(com.webobjects.eoaccess.EOModel model)` Converts an EOModel to a Cayenne model / project.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - NOT_DEFINED
```
public static final int NOT_DEFINED
```
    See Also:
    
    Constant Field Values
  - JAVA_LONG
```
public static final String JAVA_LONG
```
    See Also:
    
    Constant Field Values
  - JAVA_BYTES
```
public static final String JAVA_BYTES
```
    See Also:
    
    Constant Field Values
  - JAVA_BOOLEAN
```
public static final String JAVA_BOOLEAN
```
    See Also:
    
    Constant Field Values
  - JAVA_STRING
```
public static final String JAVA_STRING
```
    See Also:
    
    Constant Field Values
  - JAVA_SQLDATE
```
public static final String JAVA_SQLDATE
```
    See Also:
    
    Constant Field Values
  - JAVA_UTILDATE
```
public static final String JAVA_UTILDATE
```
    See Also:
    
    Constant Field Values
  - JAVA_BIGDECIMAL
```
public static final String JAVA_BIGDECIMAL
```
    See Also:
    
    Constant Field Values
  - JAVA_DOUBLE
```
public static final String JAVA_DOUBLE
```
    See Also:
    
    Constant Field Values
  - JAVA_FLOAT
```
public static final String JAVA_FLOAT
```
    See Also:
    
    Constant Field Values
  - JAVA_INTEGER
```
public static final String JAVA_INTEGER
```
    See Also:
    
    Constant Field Values
  - JAVA_SHORT
```
public static final String JAVA_SHORT
```
    See Also:
    
    Constant Field Values
  - JAVA_BYTE
```
public static final String JAVA_BYTE
```
    See Also:
    
    Constant Field Values
  - JAVA_TIME
```
public static final String JAVA_TIME
```
    See Also:
    
    Constant Field Values
  - JAVA_TIMESTAMP
```
public static final String JAVA_TIMESTAMP
```
    See Also:
    
    Constant Field Values
  - JAVA_BLOB
```
public static final String JAVA_BLOB
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - CayenneConverter
```
public CayenneConverter()
```
- Method Detail
  - main
```
public static void main(String[] args)
```
  - run
```
public void run(com.webobjects.eoaccess.EOModel model)
```
    Converts an EOModel to a Cayenne model / project. See the class docs for more info.
    
    Parameters:
    
    model -
  - getJavaClassName
```
public String getJavaClassName(EOAttribute attr)
```
  - getSqlTypeByJava
```
public static int getSqlTypeByJava(String className)
```
    Returns default java.sql.Types type by the Java type name.
    
    Parameters:
    
    className - Fully qualified Java Class name.
    
    Returns:
    
    The SQL type or NOT_DEFINED if no type found.
  - getSqlTypeByJava
```
public static int getSqlTypeByJava(Class<?> javaClass)
```
    Guesses a default JDBC type for the Java class.
    
    Since:
    
    1.1

Class CayenneConverter

Run your WO app.

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NOT_DEFINED

JAVA_LONG

JAVA_BYTES

JAVA_BOOLEAN

JAVA_STRING

JAVA_SQLDATE

JAVA_UTILDATE

JAVA_BIGDECIMAL

JAVA_DOUBLE

JAVA_FLOAT

JAVA_INTEGER

JAVA_SHORT

JAVA_BYTE

JAVA_TIME

JAVA_TIMESTAMP

JAVA_BLOB

Constructor Detail

CayenneConverter

Method Detail

main

run

getJavaClassName

getSqlTypeByJava

getSqlTypeByJava