org.jlf.dataMap
Class DataMappedObjectKey

java.lang.Object
  |
  +--org.jlf.dataMap.DataObject
        |
        +--org.jlf.dataMap.DataMappedObjectKey

All Implemented Interfaces:

java.io.Serializable

public class DataMappedObjectKey

extends DataObject

This class is used to hold the key for a DataMappedObject.

See Also:

DataObject, DataMappedObject, Serialized Form

Field Summary

Fields inherited from class org.jlf.dataMap.DataObject

ATTRIBUTE_DESCRIPTOR_VECTOR_VARIABLE_NAME, attributes, INITIAL_ATTRIBUTE_DESCRIPTOR_HASHTABLE_SIZE, INITIAL_ATTRIBUTE_HASHTABLE_SIZE

Constructor Summary

DataMappedObjectKey()
Although the default constructor is allowed, please try to use a parameterized constructor.

DataMappedObjectKey(DataAttribute attribute)
Convenience constructor for a key of one attribute.

DataMappedObjectKey(java.lang.String attributeName, long id)
Convenience constructor a key for one field of type long (typically a synthetic key).

Method Summary

void	addKeyAttribute(DataAttribute keyAttribute) Add a key attribute to the attributes Hashtable.
java.util.Hashtable	getKeyAttributes() Return the key attributes in a hash table format.

Methods inherited from class org.jlf.dataMap.DataObject

attributeEquals, basicGetAttributeDescriptors, equals, getAllAttributeNames, getAttribute, getAttributeDescriptor, getAttributeDescriptors, getAttributeValue, getDoubleAttribute, getLongAttribute, getStringAttribute, hasAttributeDefined, hashCode, setAttributeValue, setDoubleAttribute, setLongAttribute, setStringAttribute

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataMappedObjectKey

public DataMappedObjectKey()

Although the default constructor is allowed, please try to use a parameterized constructor.

DataMappedObjectKey

public DataMappedObjectKey(DataAttribute attribute)

Convenience constructor for a key of one attribute.

DataMappedObjectKey

public DataMappedObjectKey(java.lang.String attributeName,
                           long id)

Convenience constructor a key for one field of type long (typically a synthetic key).

Method Detail

addKeyAttribute

public void addKeyAttribute(DataAttribute keyAttribute)

Add a key attribute to the attributes Hashtable.

getKeyAttributes

public java.util.Hashtable getKeyAttributes()

Return the key attributes in a hash table format.