io.siddhi.query.api.expression

Class Expression

java.lang.Object

io.siddhi.query.api.expression.Expression

All Implemented Interfaces:

SiddhiElement, Serializable

Direct Known Subclasses:

Add, And, AttributeFunction, BoolConstant, Compare, Divide, DoubleConstant, FloatConstant, In, IntConstant, IsNull, LongConstant, Mod, Multiply, Not, Or, StringConstant, Subtract, Variable

public abstract class Expression
extends Object
implements SiddhiElement

Siddhi expression

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Expression.Time Time constant factory class

Constructor Summary

Constructors

Constructor and Description
Expression()

Method Summary

Modifier and Type	Method and Description
static Add	add(Expression leftValue, Expression rightValue)
static Expression	and(Expression leftExpression, Expression rightExpression)
static Expression	compare(Expression leftExpression, Compare.Operator operator, Expression rightExpression)
static Divide	divide(Expression leftValue, Expression rightValue)
static Expression	function(String functionName, Expression... expressions)
static Expression	function(String extensionNamespace, String extensionFunctionName, Expression... expressions)
int[]	getQueryContextEndIndex()
int[]	getQueryContextStartIndex()
static Expression	in(Expression leftExpression, String streamId)
static Expression	isNull(Expression expression)
static Expression	isNullFaultStream(String streamId)
static Expression	isNullFaultStream(String streamId, int streamIndex)
static Expression	isNullInnerStream(String streamId)
static Expression	isNullInnerStream(String streamId, int streamIndex)
static Expression	isNullStream(String streamId)
static Expression	isNullStream(String streamId, int streamIndex)
static Mod	mod(Expression leftValue, Expression rightValue)
static Multiply	multiply(Expression leftValue, Expression rightValue)
static Expression	not(Expression expression)
static Expression	or(Expression leftExpression, Expression rightExpression)
void	setQueryContextEndIndex(int[] lineAndColumn)
void	setQueryContextStartIndex(int[] lineAndColumn)
static Subtract	subtract(Expression leftValue, Expression rightValue)
static BoolConstant	value(boolean value)
static DoubleConstant	value(double value)
static FloatConstant	value(float value)
static IntConstant	value(int value)
static LongConstant	value(long value)
static StringConstant	value(String value)
static Variable	variable(String attributeName)

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression()

Method Detail

value

public static StringConstant value(String value)

value

public static IntConstant value(int value)

value

public static LongConstant value(long value)

value

public static DoubleConstant value(double value)

value

public static FloatConstant value(float value)

value

public static BoolConstant value(boolean value)

variable

public static Variable variable(String attributeName)

add

public static Add add(Expression leftValue,
                      Expression rightValue)

subtract

public static Subtract subtract(Expression leftValue,
                                Expression rightValue)

multiply

public static Multiply multiply(Expression leftValue,
                                Expression rightValue)

divide

public static Divide divide(Expression leftValue,
                            Expression rightValue)

mod

public static Mod mod(Expression leftValue,
                      Expression rightValue)

function

public static Expression function(String extensionNamespace,
                                  String extensionFunctionName,
                                  Expression... expressions)

function

public static Expression function(String functionName,
                                  Expression... expressions)

compare

public static Expression compare(Expression leftExpression,
                                 Compare.Operator operator,
                                 Expression rightExpression)

in

public static Expression in(Expression leftExpression,
                            String streamId)

and

public static Expression and(Expression leftExpression,
                             Expression rightExpression)

or

public static Expression or(Expression leftExpression,
                            Expression rightExpression)

not

public static Expression not(Expression expression)

isNull

public static Expression isNull(Expression expression)

isNullStream

public static Expression isNullStream(String streamId)

isNullStream

public static Expression isNullStream(String streamId,
                                      int streamIndex)

isNullFaultStream

public static Expression isNullFaultStream(String streamId)

isNullFaultStream

public static Expression isNullFaultStream(String streamId,
                                           int streamIndex)

isNullInnerStream

public static Expression isNullInnerStream(String streamId)

isNullInnerStream

public static Expression isNullInnerStream(String streamId,
                                           int streamIndex)

getQueryContextStartIndex

public int[] getQueryContextStartIndex()

Specified by:

getQueryContextStartIndex in interface SiddhiElement

setQueryContextStartIndex

public void setQueryContextStartIndex(int[] lineAndColumn)

Specified by:

setQueryContextStartIndex in interface SiddhiElement

getQueryContextEndIndex

public int[] getQueryContextEndIndex()

Specified by:

getQueryContextEndIndex in interface SiddhiElement

setQueryContextEndIndex

public void setQueryContextEndIndex(int[] lineAndColumn)

Specified by:

setQueryContextEndIndex in interface SiddhiElement