edu.stanford.nlp.ling.tokensregex.types
Class Expressions.VarExpression

java.lang.Object
  edu.stanford.nlp.ling.tokensregex.types.Expressions.TypedExpression
      edu.stanford.nlp.ling.tokensregex.types.Expressions.SimpleExpression<java.lang.String>
          edu.stanford.nlp.ling.tokensregex.types.Expressions.VarExpression

All Implemented Interfaces:

AssignableExpression, Expression, java.io.Serializable

Enclosing class:

Expressions

public static class Expressions.VarExpression
extends Expressions.SimpleExpression<java.lang.String>
implements AssignableExpression

A variable, which can be assigned any expression. When evaluated, the value of the variable is retrieved from the environment, evaluated, and returned.

See Also:

Serialized Form

Constructor Summary

Expressions.VarExpression(java.lang.String varname, java.lang.String... tags)

Method Summary

Expression	assign(Expression expr)
Value	evaluate(Env env, java.lang.Object... args) Evaluates the expression using the specified environment and arguments.

Methods inherited from class edu.stanford.nlp.ling.tokensregex.types.Expressions.SimpleExpression

get, toString

Methods inherited from class edu.stanford.nlp.ling.tokensregex.types.Expressions.TypedExpression

getTags, getType, hasValue, setTags, simplify

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface edu.stanford.nlp.ling.tokensregex.types.Expression

getTags, getType, hasValue, setTags, simplify

Constructor Detail

Expressions.VarExpression

public Expressions.VarExpression(java.lang.String varname,
                                 java.lang.String... tags)

Method Detail

evaluate

public Value evaluate(Env env,
                      java.lang.Object... args)

Description copied from interface: Expression

Evaluates the expression using the specified environment and arguments. Arguments are additional context not provided by the environment.

Specified by:

evaluate in interface Expression

Returns:

Evaluated value

assign

public Expression assign(Expression expr)

Specified by:

assign in interface AssignableExpression