org.zkoss.zuss.metainfo
Enum Operator.Type

java.lang.Object
  java.lang.Enum<Operator.Type>
      org.zkoss.zuss.metainfo.Operator.Type

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Operator.Type>

Enclosing class:

Operator

public static enum Operator.Type
extends java.lang.Enum<Operator.Type>

Types of the operators.

Enum Constant Summary

ADD
The addition.

AND
The AND operatr.

COMMA
Argument separator.

CONCAT
Concatenation.

DIVIDE
The division.

EQ
Equals.

FUNC
Function operator.

GE
Greater than or equals.

GT
Greater than.

LE
Less than or equals.

LPAREN
Left parenthesis, '('.

LT
Less than.

MULTIPLY
The multiplication.

NE
Not equals.

NEGATE
The negation.

OR
The OR oeprator.

RPAREN
Right parenthesis, ')'.

SUBTRACT
The subtraction.

Method Summary

int	getArgumentNumber() Returns the number arguments that this operator expects.
java.lang.String	getName() Returns the name of this operator.
int	getPrecedence() Returns the precedence of this operator.
java.lang.Object	invoke(java.lang.Object... args) Invokes the operator.
java.lang.String	toString()
static Operator.Type	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static Operator.Type[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

CONCAT

public static final Operator.Type CONCAT

Concatenation. Represent the 'implied' operator if two consecutive operands have no opearator in between.

NEGATE

public static final Operator.Type NEGATE

The negation.

ADD

public static final Operator.Type ADD

The addition.

SUBTRACT

public static final Operator.Type SUBTRACT

The subtraction.

MULTIPLY

public static final Operator.Type MULTIPLY

The multiplication.

DIVIDE

public static final Operator.Type DIVIDE

The division.

EQ

public static final Operator.Type EQ

Equals.

NE

public static final Operator.Type NE

Not equals.

OR

public static final Operator.Type OR

The OR oeprator.

AND

public static final Operator.Type AND

The AND operatr.

GT

public static final Operator.Type GT

Greater than.

LT

public static final Operator.Type LT

Less than.

GE

public static final Operator.Type GE

Greater than or equals.

LE

public static final Operator.Type LE

Less than or equals.

LPAREN

public static final Operator.Type LPAREN

Left parenthesis, '('. Not a real operator but for parsing purpose.

RPAREN

public static final Operator.Type RPAREN

Right parenthesis, ')'. Not a real operator but for parsing purpose.

FUNC

public static final Operator.Type FUNC

Function operator. Not a real operator but for parsing purpose.

COMMA

public static final Operator.Type COMMA

Argument separator. Not a real operator but for parsing purpose.

Method Detail

values

public static Operator.Type[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Operator.Type c : Operator.Type.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Operator.Type valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null

getPrecedence

public int getPrecedence()

Returns the precedence of this operator. The lower the number, the higher the precedence.

getArgumentNumber

public int getArgumentNumber()

Returns the number arguments that this operator expects.

getName

public java.lang.String getName()

Returns the name of this operator.

invoke

public java.lang.Object invoke(java.lang.Object... args)

Invokes the operator. The number of arguments must match the operator. For example, for a unary operator, the number shall be 1.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Enum<Operator.Type>