org.apache.empire.db
Enum DBRelation.DBCascadeAction

java.lang.Object
  java.lang.Enum<DBRelation.DBCascadeAction>
      org.apache.empire.db.DBRelation.DBCascadeAction

All Implemented Interfaces:

Serializable, Comparable<DBRelation.DBCascadeAction>

Enclosing class:

DBRelation

public static enum DBRelation.DBCascadeAction
extends Enum<DBRelation.DBCascadeAction>

DBCascadeAction enum

 This enum specifies options for a relation when deleting records
 (see DBRelation.setOnDeleteAction)
  
 - NONE:    No Action is performed and the operation will fail if depending records exist.
 
 - CASCADE: Delete (or update) any depending records. This action will be performed by the database and thus 
            the option "ON DELETE CASCADE" is added to the DDL generated for the relation. 
 
 - CASCADE_RECORDS: This option allows to handle the cascade in code. All depending records will be selected
            by the framework and for each record DBRowSet.deleteRecord() will be called. 
            The option "ON DELETE CASCADE" will NOT be added to the DDL generated for the relation. 
 
 

Enum Constant Summary

CASCADE

CASCADE_RECORDS

NONE

Method Summary

static DBRelation.DBCascadeAction	valueOf(String name) Returns the enum constant of this type with the specified name.
static DBRelation.DBCascadeAction[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

NONE

public static final DBRelation.DBCascadeAction NONE

CASCADE

public static final DBRelation.DBCascadeAction CASCADE

CASCADE_RECORDS

public static final DBRelation.DBCascadeAction CASCADE_RECORDS

Method Detail

values

public static DBRelation.DBCascadeAction[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (DBRelation.DBCascadeAction c : DBRelation.DBCascadeAction.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static DBRelation.DBCascadeAction valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null