AbstractRelation (xdi2-core 0.7.2 API)

java.lang.Object
- xdi2.core.impl.AbstractRelation

All Implemented Interfaces:

Serializable, Comparable<Relation>, Relation

Direct Known Subclasses:

DummyRelation, JSONRelation, KeyValueRelation, MemoryRelation, WrappedRelation
```
public abstract class AbstractRelation
extends Object
implements Relation
```
See Also:
Serialized Form

Constructor Summary

Constructors
Constructor and Description

AbstractRelation(ContextNode contextNode)

Constructors
Constructor and Description
`AbstractRelation(ContextNode contextNode)`

Method Summary

Methods
Modifier and Type	Method and Description
`int`	`compareTo(Relation other)`
`void`	`delete()` Deletes this relation.
`boolean`	`equals(Object object)`
`Node`	`follow()` Follows the relation to the target node.
`ContextNode`	`followContextNode()` Follows the relation to the target context node.
`LiteralNode`	`followLiteralNode()` Follows the relation to the target literal node.
`ContextNode`	`getContextNode()` Every relation has a context node from which it originates.
`Graph`	`getGraph()` Get the graph of this relation.
`Statement.RelationStatement`	`getStatement()` Gets the statement that represents this relation.
`int`	`hashCode()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface xdi2.core.Relation
getTargetXDIAddress, getXDIAddress

- Constructor Detail
  - AbstractRelation
```
public AbstractRelation(ContextNode contextNode)
```
- Method Detail
  - getGraph
```
public Graph getGraph()
```
    Description copied from interface: Relation
    
    Get the graph of this relation.
    
    Specified by:
    
    getGraph in interface Relation
    
    Returns:
    The graph of this relation.
  - getContextNode
```
public ContextNode getContextNode()
```
    Description copied from interface: Relation
    
    Every relation has a context node from which it originates.
    
    Specified by:
    
    getContextNode in interface Relation
    
    Returns:
    The context node of this relation.
  - delete
```
public void delete()
```
    Description copied from interface: Relation
    
    Deletes this relation.
    
    Specified by:
    
    delete in interface Relation
  - follow
```
public Node follow()
```
    Description copied from interface: Relation
    
    Follows the relation to the target node.
    
    Specified by:
    
    follow in interface Relation
    
    Returns:
    The target node of the relation.
  - followContextNode
```
public ContextNode followContextNode()
```
    Description copied from interface: Relation
    
    Follows the relation to the target context node.
    
    Specified by:
    
    followContextNode in interface Relation
    
    Returns:
    The target context node of the relation, or null.
  - followLiteralNode
```
public LiteralNode followLiteralNode()
```
    Description copied from interface: Relation
    
    Follows the relation to the target literal node.
    
    Specified by:
    
    followLiteralNode in interface Relation
    
    Returns:
    The target literal node of the relation, or null.
  - getStatement
```
public Statement.RelationStatement getStatement()
```
    Description copied from interface: Relation
    
    Gets the statement that represents this relation.
    
    Specified by:
    
    getStatement in interface Relation
    
    Returns:
    A statement.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - equals
```
public boolean equals(Object object)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - compareTo
```
public int compareTo(Relation other)
```
    Specified by:
    
    compareTo in interface Comparable<Relation>

Class AbstractRelation

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface xdi2.core.Relation

Constructor Detail

AbstractRelation

Method Detail

getGraph

getContextNode

delete

follow

followContextNode

followLiteralNode

getStatement

toString

equals

hashCode

compareTo