public class PrimaryKey
extends Object 

• Constructor Summary

  Constructors

  Constructor and Description
  PrimaryKey ()
  PrimaryKey (KeyAttribute... components) Constructs with the specified key components.
  PrimaryKey (String hashKeyName, Object hashKeyValue) Constructs with a hash key.
  PrimaryKey (String hashKeyName, Object hashKeyValue, String rangeKeyName, Object rangeKeyValue) Constructs with a hash key and a range key.

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  PrimaryKey	addComponent (String keyAttributeName, Object keyAttributeValue) Add a key component to this primary key.
  PrimaryKey	addComponents (KeyAttribute... components) Add one or multiple key components to this primary key.
  boolean	equals (Object in)
  Set<String>	getComponentNameSet () Returns all the key component names of this primary key as a set.
  Collection<KeyAttribute>	getComponents () Returns all the key components of this primary key.
  boolean	hasComponent (String attrName) Returns true if this primary has the specified key attribute name; false otherwise.
  int	hashCode ()
  String	toString ()

  • Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

• Constructor Detail

  • PrimaryKey

    public PrimaryKey()

  • PrimaryKey

    public PrimaryKey(KeyAttribute... components)

    Constructs with the specified key components.

  • PrimaryKey

    public PrimaryKey(String hashKeyName,
     Object hashKeyValue)

    Constructs with a hash key.

  • PrimaryKey

    public PrimaryKey(String hashKeyName,
     Object hashKeyValue,
     String rangeKeyName,
     Object rangeKeyValue)

    Constructs with a hash key and a range key.

• Method Detail

  • getComponents

    public Collection<KeyAttribute> getComponents()

    Returns all the key components of this primary key.

  • getComponentNameSet

    public Set<String> getComponentNameSet()

    Returns all the key component names of this primary key as a set.

  • hasComponent

    public boolean hasComponent(String attrName)

    Returns true if this primary has the specified key attribute name; false otherwise.

  • addComponents

    public PrimaryKey addComponents(KeyAttribute... components)

    Add one or multiple key components to this primary key. Note adding a key component with the same name as that of an existing one would overwrite and become a single key component instead of two.

  • addComponent

    public PrimaryKey addComponent(String keyAttributeName,
     Object keyAttributeValue)

    Add a key component to this primary key. Note adding a key component with the same name as that of an existing one would overwrite and become a single key component instead of two.

  • toString

    public String toString()

    Overrides:

    toString in class Object

  • hashCode

    public int hashCode()

    Overrides:

    hashCode in class Object

  • equals

    public boolean equals(Object in)

    Overrides:

    equals in class Object