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, BindingHashMap, BindingOverMap, BindingProjectBase

public abstract class BindingBase
extends java.lang.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
boolean	contains(Var var)	Test whether a name is bound to some object
boolean	equals(java.lang.Object other)
void	forEach(java.util.function.BiConsumer<Var,Node> action)	Operate on each entry.
void	format1(java.lang.StringBuffer sbuff)
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.
int	size()	Number of (var, value) pairs.
java.lang.String	toString()
java.lang.String	toString1()
java.util.Iterator<Var>	vars()	Iterate over all variables of this binding.

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

vars

public final java.util.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(java.util.function.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 java.lang.String toString()

Overrides:

toString in class java.lang.Object

format1

public void format1(java.lang.StringBuffer sbuff)

toString1

public java.lang.String toString1()

hashCode

public int hashCode()

Specified by:

hashCode in interface Binding

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object other)

Specified by:

equals in interface Binding

Overrides:

equals in class java.lang.Object

hashCode

public static int hashCode(Binding bind)