org.wso2.siddhi.query.api.expression
Class Expression

java.lang.Object
  org.wso2.siddhi.query.api.expression.Expression

Direct Known Subclasses:

Add, BoolConstant, Divide, DoubleConstant, FloatConstant, FunctionExpression, IntConstant, LongConstant, Minus, Mod, Multiply, StringConstant, Type, Variable

public abstract class Expression
extends Object

Constructor Summary

Expression()

Method Summary

static Add	add(Expression leftValue, Expression rightValue)
static Divide	divide(Expression leftValue, Expression rightValue)
static Expression	extension(String extensionNamespace, String extensionFunctionName, Expression... expressions)
static Expression	function(String extensionFunctionName, Expression... expressions)
protected Set<String>	getDependencySet()
static Minus	minus(Expression leftValue, Expression rightValue)
static Mod	mod(Expression leftValue, Expression rightValue)
static Multiply	multiply(Expression leftValue, Expression rightValue)
static Type	type(Attribute.Type type)
protected abstract void	validate(List<QueryEventSource> queryEventSources, String streamReferenceId, boolean processInStreamDefinition)
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)
static Variable	variable(String streamId, int position, String attributeName)
static Variable	variable(String streamId, 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 streamId,
                                String attributeName)

add

public static Add add(Expression leftValue,
                      Expression rightValue)

minus

public static Minus minus(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)

variable

public static Variable variable(String attributeName)

variable

public static Variable variable(String streamId,
                                int position,
                                String attributeName)

extension

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

function

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

type

public static Type type(Attribute.Type type)

validate

protected abstract void validate(List<QueryEventSource> queryEventSources,
                                 String streamReferenceId,
                                 boolean processInStreamDefinition)

getDependencySet

protected Set<String> getDependencySet()