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Java Source Code / Java Documentation » Workflow Engines » pegasus 2.1.0 » org.griphyn.vdl.annotation 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.griphyn.vdl.annotation.Tuple

All known Subclasses:   org.griphyn.vdl.annotation.TupleDate,  org.griphyn.vdl.annotation.TupleString,  org.griphyn.vdl.annotation.TupleBoolean,  org.griphyn.vdl.annotation.TupleInteger,  org.griphyn.vdl.annotation.TupleFloat,
Tuple
abstract public class Tuple (Code)
This abstract base class defines the key value tuple that define the heart of Yong's annotations.
author:
   Jens-S. Vöckler
author:
   Yong Zhao
version:
   $Revision: 50 $



Constructor Summary
public  Tuple()
     Array constructor, please don't use.
public  Tuple(String key)
     Constructs the key portion of a tuple.

Method Summary
public  StringgetKey()
     Obtains the current value of the key.
abstract public  intgetType()
     Returns the type of the value as SQL Type. a constant from the set of SQL types.
abstract public  StringgetTypeString()
     Returns the string representation of the type.
abstract public  ObjectgetValue()
     Generate interface to obtain the value from an instance.
public  voidsetKey(String key)
     Overwrites the key with a different name.
abstract public  voidsetValue(Object value)
     Generic interface to set a value in an instance.
public  StringtoString()
    


Constructor Detail
Tuple
public Tuple()(Code)
Array constructor, please don't use.



Tuple
public Tuple(String key)(Code)
Constructs the key portion of a tuple.
Parameters:
  key - is the key to store annotations for.




Method Detail
getKey
public String getKey()(Code)
Obtains the current value of the key. the current value of the key.
See Also:   Tuple.setKey(String)



getType
abstract public int getType()(Code)
Returns the type of the value as SQL Type. a constant from the set of SQL types.
See Also:   java.sql.Types



getTypeString
abstract public String getTypeString()(Code)
Returns the string representation of the type.



getValue
abstract public Object getValue()(Code)
Generate interface to obtain the value from an instance. The value will be wrapped into the appropriate Java class. For the timestamp object, the Java SQL Date will be used. the value wrapped as Java object.
See Also:   Tuple.setValue(Object)



setKey
public void setKey(String key)(Code)
Overwrites the key with a different name.
Parameters:
  key - is the new key to use from now on.
See Also:   Tuple.getKey()



setValue
abstract public void setValue(Object value) throws ClassCastException(Code)
Generic interface to set a value in an instance. Note that this action may fail, if the instance is of an incompatible type.
Parameters:
  value - is the data object to set.
See Also:   Tuple.getValue()
exception:
  ClassCastException - if the actual argument type of the valueis incompatible with the value maintained by the instance.



toString
public String toString()(Code)
Return a string representation of the tuple



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)

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