Uses of Interface
weka.core.expressionlanguage.core.Node

Packages that use Node

Package	Description
weka.core.expressionlanguage.common
weka.core.expressionlanguage.core
weka.core.expressionlanguage.parser
weka.core.expressionlanguage.weka

Uses of Node in weka.core.expressionlanguage.common

Subinterfaces of Node in weka.core.expressionlanguage.common

Modifier and Type	Interface and Description
static interface	Primitives.BooleanExpression An AST node for an expression of boolean type
static interface	Primitives.DoubleExpression An AST node for an expression of double type
static interface	Primitives.StringExpression An AST node for an expression of String type

Classes in weka.core.expressionlanguage.common that implement Node

Modifier and Type	Class and Description
static class	Primitives.BooleanConstant An AST node representing a boolean constant
static class	Primitives.BooleanVariable An AST node representing a boolean variable
static class	Primitives.DoubleConstant An AST node representing a double constant
static class	Primitives.DoubleVariable An AST node representing a double variable
static class	Primitives.StringConstant An AST node representing a string constant
static class	Primitives.StringVariable An AST node representing a string variable

Methods in weka.core.expressionlanguage.common that return Node

Modifier and Type	Method and Description
static Node	Operators.division(Node left, Node right) '/' division operator
Node	IfElseMacro.evaluate(Node... params) Evaluates the ifelse macro
Node	JavaMacro.evaluate(Node... nodes) Evaluates the java macro on the given arguments
Node	NoVariables.getVariable(String name) Tries to fetch the variable.
Node	SimpleVariableDeclarations.getVariable(String name) Tries to fetch a declared variable
Node	VariableDeclarationsCompositor.getVariable(String name) Tries to fetch a variable from one of the combined declarations.
static Node	Operators.minus(Node left, Node right) '-' minus operator
static Node	Operators.plus(Node left, Node right) '+' plus operator
static Node	Operators.pow(Node left, Node right) '^' power operator
static Node	Operators.times(Node left, Node right) '*' times operator
static Node	Operators.uminus(Node expr) '-' unary minus operator
static Node	Operators.uplus(Node expr) '+' unary plus operator

Methods in weka.core.expressionlanguage.common with parameters of type Node

Modifier and Type	Method and Description
static Primitives.BooleanExpression	Operators.and(Node left, Node right) '&' or 'and' logical and operator
static Node	Operators.division(Node left, Node right) '/' division operator
static Primitives.BooleanExpression	Operators.equal(Node left, Node right) '=' equal operator
Node	IfElseMacro.evaluate(Node... params) Evaluates the ifelse macro
Node	JavaMacro.evaluate(Node... nodes) Evaluates the java macro on the given arguments
static Primitives.BooleanExpression	Operators.greaterEqual(Node left, Node right) '>=' greater equal operator
static Primitives.BooleanExpression	Operators.greaterThan(Node left, Node right) '>' greater than operator
static Primitives.BooleanExpression	Operators.is(Node left, Node right) 'is' is operator (to check for string equality)
static Primitives.BooleanExpression	Operators.lessEqual(Node left, Node right) '<=' less equal operator
static Primitives.BooleanExpression	Operators.lessThan(Node left, Node right) '<' less than operator
static Node	Operators.minus(Node left, Node right) '-' minus operator
static Primitives.BooleanExpression	Operators.not(Node expr) '!' or 'not' logical not operator
static Primitives.BooleanExpression	Operators.or(Node left, Node right) '|' or 'or' logical or operator
static Node	Operators.plus(Node left, Node right) '+' plus operator
static Node	Operators.pow(Node left, Node right) '^' power operator
static Primitives.BooleanExpression	Operators.regexp(Node left, Node right) 'regexp' regexp operator (to check for string matching a given regular expression)
static Node	Operators.times(Node left, Node right) '*' times operator
static Node	Operators.uminus(Node expr) '-' unary minus operator
static Node	Operators.uplus(Node expr) '+' unary plus operator

Uses of Node in weka.core.expressionlanguage.core

Methods in weka.core.expressionlanguage.core that return Node

Modifier and Type	Method and Description
Node	Macro.evaluate(Node... nodes) Applies a macro to a set of parameter nodes.
Node	VariableDeclarations.getVariable(String name) Tries to fetch a variable

Methods in weka.core.expressionlanguage.core with parameters of type Node

Modifier and Type	Method and Description
Node	Macro.evaluate(Node... nodes) Applies a macro to a set of parameter nodes.

Uses of Node in weka.core.expressionlanguage.parser

Methods in weka.core.expressionlanguage.parser that return Node

Modifier and Type	Method and Description
Node	Parser.getRoot() Returns the root node of the program
static Node	Parser.parse(String expr, VariableDeclarations variables, MacroDeclarations macros) Tries to parse and compile a program from the textual representation in expr while exposing the variables and marcos

Uses of Node in weka.core.expressionlanguage.weka

Methods in weka.core.expressionlanguage.weka that return Node

Modifier and Type	Method and Description
Node	InstancesHelper.evaluate(Node... params) Evaluates the 'ismissing' macro
Node	InstancesHelper.getVariable(String name) Tries to fetch a variable of an instance value
Node	StatsHelper.getVariable(String name) Tries to fetch a Stats field

Methods in weka.core.expressionlanguage.weka with parameters of type Node

Modifier and Type	Method and Description
Node	InstancesHelper.evaluate(Node... params) Evaluates the 'ismissing' macro