jrun.ejb.ejbql
Class NaryOperator

java.lang.Object
  |
  +--jrun.ejb.ejbql.OperatorBase
        |
        +--jrun.ejb.ejbql.NaryOperator

All Implemented Interfaces:

Element, Operator

public abstract class NaryOperator

extends OperatorBase

An operator that takes an arbitrary number of operands.

Author:

Enrique Duvos

Field Summary

static NaryOperator	AND
static NaryOperator	BETWEEN
static NaryOperator	LIKE
static NaryOperator	LOCATE
static NaryOperator	NOT_BETWEEN
static NaryOperator	NOT_LIKE
static NaryOperator	OR
static NaryOperator	STRING_AGGREGATOR
static NaryOperator	SUBSTRING

Fields inherited from class jrun.ejb.ejbql.OperatorBase

BOOLEAN_OBJECT_TYPE_NAME, BOOLEAN_PRIMITIVE_TYPE_NAME, DOUBLE_OBJECT_TYPE_NAME, DOUBLE_PRIMITIVE_TYPE_NAME, FLOAT_OBJECT_TYPE_NAME, FLOAT_PRIMITIVE_TYPE_NAME, INTEGER_OBJECT_TYPE_NAME, INTEGER_PRIMITIVE_TYPE_NAME, LONG_OBJECT_TYPE_NAME, LONG_PRIMITIVE_TYPE_NAME, STRING_TYPE_NAME

Fields inherited from interface jrun.ejb.ejbql.Element

UNSPECIFIED_TRAVERSAL_ORDER

Constructor Summary

NaryOperator()

Method Summary

protected java.util.Iterator	buildPrintStrings(java.lang.String printString, int num) Convenience utility used for n-ary operators with only one print string.
java.lang.String	getResultType(java.util.Vector expressions) The stringified version of the java Class type that results from applying the operator to the given set of expressions.
boolean	isNary()

Methods inherited from class jrun.ejb.ejbql.OperatorBase

accept, acceptOperatorExpression, equals, getChildren, hasBooleanType, hasDoubleType, hasFloatType, hasIntegerType, hasLongType, hasNumericType, hasSmallerNumericType, hasStringType, isBinary, isFunction, isUnary

Methods inherited from class java.lang.Object

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

Methods inherited from interface jrun.ejb.ejbql.Operator

getPrintStrings, operatesOn

Field Detail

LIKE

public static final NaryOperator LIKE

NOT_LIKE

public static final NaryOperator NOT_LIKE

AND

public static final NaryOperator AND

OR

public static final NaryOperator OR

BETWEEN

public static final NaryOperator BETWEEN

NOT_BETWEEN

public static final NaryOperator NOT_BETWEEN

LOCATE

public static final NaryOperator LOCATE

SUBSTRING

public static final NaryOperator SUBSTRING

STRING_AGGREGATOR

public static final NaryOperator STRING_AGGREGATOR

Constructor Detail

NaryOperator

public NaryOperator()

Method Detail

isNary

public boolean isNary()

Overrides:

isNary in class OperatorBase

getResultType

public java.lang.String getResultType(java.util.Vector expressions)

Description copied from interface: Operator

The stringified version of the java Class type that results from applying the operator to the given set of expressions.

buildPrintStrings

protected java.util.Iterator buildPrintStrings(java.lang.String printString,
                                               int num)

Convenience utility used for n-ary operators with only one print string.