com.ibm.dse.base
Class DataPointer
java.lang.Object
|
+--com.ibm.dse.base.Pointer
|
+--com.ibm.dse.base.DataPointer
- public class DataPointer
- extends Pointer
The DataPointer class represents a Pointer to a DataElement. A
DataPointer is a reference to a DataElement. You must specify the
dataName and contextName of the pointed data.
- See Also:
- Serialized Form
Constructor Summary |
DataPointer()
This constructor creates the DataPointer object. |
Method Summary |
java.lang.String |
getContextName()
Gets the contextName property (java.lang.String) value. |
DataElement |
getDataElement(Context context)
Returns the pointed DataElement. |
java.lang.String |
getDataName()
Gets the dataName property (java.lang.String) value. |
java.lang.Object |
initializeFrom(Tag aTag)
Initializes a DataPointer with the aTag attributes. |
void |
setContextName(java.lang.String aContextName)
Sets the contextName property (java.lang.String) value. |
void |
setDataName(java.lang.String aString)
Sets the dataName property (java.lang.String) value. |
java.lang.String |
toString()
Returns a visual representation of the DataField. |
Methods inherited from class com.ibm.dse.base.Pointer |
externalizer,
getExternalizer,
getName,
getTagName,
readExternal,
readExternal,
readObject,
removeExternal,
setExternalizer,
setName,
toStrings,
toTags,
writeExternal,
writeExternal |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
wait,
wait,
wait |
DataPointer
public DataPointer()
- This constructor creates the DataPointer object.
getContextName
public java.lang.String getContextName()
- Gets the contextName property (java.lang.String) value.
- Returns:
- String
- See Also:
setContextName(java.lang.String)
getDataElement
public DataElement getDataElement(Context context)
throws DSEInvalidRequestException
- Returns the pointed DataElement. If the DataElement doesn't exist, it
throws a DSEInvalidRequestException.
- Parameters:
context
- com.ibm.dse.base.Context- Returns:
- DataElement
getDataName
public java.lang.String getDataName()
- Gets the dataName property (java.lang.String) value.
- Returns:
- String
- See Also:
setDataName(java.lang.String)
initializeFrom
public java.lang.Object initializeFrom(Tag aTag)
throws java.io.IOException
- Initializes a DataPointer with the aTag attributes.
- Parameters:
aTag
- Tag- Returns:
- DataPointer
setContextName
public void setContextName(java.lang.String aContextName)
- Sets the contextName property (java.lang.String) value.
- Parameters:
contextName
- The new value for the property.- See Also:
getContextName()
setDataName
public void setDataName(java.lang.String aString)
- Sets the dataName property (java.lang.String) value.
- Parameters:
dataName
- The new value for the property.- See Also:
getDataName()
toString
public java.lang.String toString()
- Returns a visual representation of the DataField.
- Overrides:
- toString in class java.lang.Object
- Returns:
- java.lang.String