Module org.apache.jena.arq

Package org.apache.jena.sparql.engine.binding

Class BindingBase

java.lang.Object

org.apache.jena.sparql.engine.binding.BindingBase

All Implemented Interfaces:

Binding

Direct Known Subclasses:

Binding0, Binding1, Binding2, Binding3, Binding4, BindingOverMap, BindingProjectBase

public abstract class BindingBase
extends Object
implements Binding

Machinery encapsulating a mapping from a name to a value. The "parent" is a shared, immutable, common set of bindings. An association of var/node must not override a setting in the parent.

Field Summary

Fields inherited from interface org.apache.jena.sparql.engine.binding.Binding

noParent

Method Summary

Modifier and Type	Method	Description
final boolean	contains(Var var)	Test whether a name is bound to some object
boolean	equals(Object other)
void	forEach(BiConsumer<Var,Node> action)	Operate on each entry.
void	format1(StringBuffer sbuff)
final Node	get(Var var)	Return the object bound to a name, or null
int	hashCode()
static int	hashCode(Binding bind)
boolean	isEmpty()	Is this an empty binding? No variables.
final int	size()	Number of (var, value) pairs.
String	toString()
String	toString1()
final Iterator<Var>	vars()	Iterate over all variables of this binding.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.jena.sparql.engine.binding.Binding

contains, get

Method Details

vars

public final Iterator<Var> vars()

Description copied from interface: Binding

Iterate over all variables of this binding.

Specified by:

vars in interface Binding

forEach

public void forEach(BiConsumer<Var,Node> action)

Operate on each entry.

Specified by:

forEach in interface Binding

size

public final int size()

Description copied from interface: Binding

Number of (var, value) pairs.

Specified by:

size in interface Binding

isEmpty

public boolean isEmpty()

Description copied from interface: Binding

Is this an empty binding? No variables.

Specified by:

isEmpty in interface Binding

contains

public final boolean contains(Var var)

Test whether a name is bound to some object

Specified by:

contains in interface Binding

get

public final Node get(Var var)

Return the object bound to a name, or null

Specified by:

get in interface Binding

toString

public String toString()

Overrides:

toString in class Object

format1

public void format1(StringBuffer sbuff)

toString1

public String toString1()

hashCode

public int hashCode()

Specified by:

hashCode in interface Binding

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Specified by:

equals in interface Binding

Overrides:

equals in class Object

hashCode

public static int hashCode(Binding bind)