Java Doc for ForeignKeyAction.java in  » Database-ORM » JPOX » org » jpox » metadata » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » JPOX » org.jpox.metadata   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jpox.metadata.ForeignKeyAction ForeignKeyAction public class ForeignKeyAction implements Serializable(Code) Foreign keys represent a consistency constraint in the database that must be maintained. This class enumerates the actions which happens when foreign-keys are updated or deleted. version:    $Revision: 1.5 $ Field Summary final public static  ForeignKeyAction CASCADE      update/delete-action="cascade". final public static  ForeignKeyAction DEFAULT      update/delete-action="default". final public static  ForeignKeyAction NONE      update/delete-action="none". final public static  ForeignKeyAction NULL      update/delete-action="null". final public static  ForeignKeyAction RESTRICT      update/delete-action="restrict". Constructor Summary protected   ForeignKeyAction(int i)      Method Summary public  boolean equals(Object o)      Indicates whether some other object is "equal to" this one. Parameters:   o - the reference object with which to compare. public static  ForeignKeyAction getForeignKeyAction(String value)      Return ForeignKeyDeleteAction from String. Parameters:   value - delete-action attribute value Instance of ForeignKeyDeleteAction. protected  int getType()      Accessor for the type. public  String toString()      Returns a string representation of the object. Field Detail CASCADE final public static ForeignKeyAction CASCADE(Code) update/delete-action="cascade". The database will automatically delete all rows that refer to the row being deleted DEFAULT final public static ForeignKeyAction DEFAULT(Code) update/delete-action="default". The database will automatically set the columns in all rows that refer to the row being deleted to their default value NONE final public static ForeignKeyAction NONE(Code) update/delete-action="none". No foreign-key should be created. NULL final public static ForeignKeyAction NULL(Code) update/delete-action="null". The database will automatically nullify the columns in all rows that refer to the row being deleted RESTRICT final public static ForeignKeyAction RESTRICT(Code) update/delete-action="restrict". The user is required to explicitly make the relationship valid by application code Constructor Detail ForeignKeyAction protected ForeignKeyAction(int i)(Code) constructor Parameters:   i - type id Method Detail equals public boolean equals(Object o)(Code) Indicates whether some other object is "equal to" this one. Parameters:   o - the reference object with which to compare. true if this object is the same as the obj argument; false otherwise. getForeignKeyAction public static ForeignKeyAction getForeignKeyAction(String value)(Code) Return ForeignKeyDeleteAction from String. Parameters:   value - delete-action attribute value Instance of ForeignKeyDeleteAction. If value invalid, return null. getType protected int getType()(Code) Accessor for the type. The type toString public String toString()(Code) Returns a string representation of the object. a string representation of the object. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)