com.hp.hpl.jena.graph.query
Class Expression.Util

java.lang.Object
  com.hp.hpl.jena.graph.query.Expression.Util

Enclosing interface:

Expression

public static class Expression.Util
extends Object

Utility methods for Expressions, captured in a class because they can't be written directly in the interface.

Constructor Summary

Expression.Util()

Method Summary

static Set<String>	addVariablesOf(Set<String> s, Expression e) Add all the variables of e to s, and answer s.
static boolean	containsAllVariablesOf(Set<String> variables, Expression e)
static boolean	equals(Expression L, Expression R)
static boolean	sameApply(Expression L, Expression R)
static boolean	sameArgs(Expression L, Expression R)
static Set<String>	variablesOf(Expression e) Answer a set containing exactly the names of variables within e.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Expression.Util

public Expression.Util()

Method Detail

variablesOf

public static Set<String> variablesOf(Expression e)

Answer a set containing exactly the names of variables within e.

addVariablesOf

public static Set<String> addVariablesOf(Set<String> s,
                                         Expression e)

Add all the variables of e to s, and answer s.

containsAllVariablesOf

public static boolean containsAllVariablesOf(Set<String> variables,
                                             Expression e)

equals

public static boolean equals(Expression L,
                             Expression R)

sameApply

public static boolean sameApply(Expression L,
                                Expression R)

sameArgs

public static boolean sameArgs(Expression L,
                               Expression R)