Package com.espertech.esper.common.client.soda

Class ArrayExpression

java.lang.Object

com.espertech.esper.common.client.soda.ExpressionBase

com.espertech.esper.common.client.soda.ArrayExpression

All Implemented Interfaces:

Expression, Serializable

public class ArrayExpression
extends ExpressionBase

Array expression forms array results, similar to the syntax of "{element 1, element 2, ... element n}".

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ArrayExpression()	Ctor.

Method Summary

Modifier and Type	Method	Description
ArrayExpression	add(Expression expression)	Add an expression representing an array element to the expression.
ArrayExpression	add(Object object)	Add a constant to the expression.
ArrayExpression	add(String property)	Add a property to the expression.
ExpressionPrecedenceEnum	getPrecedence()	Returns precedence.
void	toPrecedenceFreeEPL(StringWriter writer)	Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Methods inherited from class com.espertech.esper.common.client.soda.ExpressionBase

addChild, getChildren, getTreeObjectName, renderAggregation, setChildren, setTreeObjectName, toEPL, toPrecedenceFreeEPL, toPrecedenceFreeEPL

Methods inherited from class java.lang.Object

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

Constructor Details

ArrayExpression

public ArrayExpression()

Ctor.

Method Details

add

public ArrayExpression add(String property)

Add a property to the expression.

Parameters:

property - to add

Returns:

expression

add

public ArrayExpression add(Object object)

Add a constant to the expression.

Parameters:

object - constant to add

Returns:

expression

add

public ArrayExpression add(Expression expression)

Add an expression representing an array element to the expression.

Parameters:

expression - to add

Returns:

expression

getPrecedence

public ExpressionPrecedenceEnum getPrecedence()

Description copied from interface: Expression

Returns precedence.

Returns:

precedence

toPrecedenceFreeEPL

public void toPrecedenceFreeEPL(StringWriter writer)

Description copied from class: ExpressionBase

Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Specified by:

toPrecedenceFreeEPL in class ExpressionBase

Parameters:

writer - is the output to use