com.espertech.esper.client.soda
Class ConcatExpression

java.lang.Object
  extended by com.espertech.esper.client.soda.ExpressionBase
      extended by com.espertech.esper.client.soda.ConcatExpression
All Implemented Interfaces:
Expression, Serializable

public class ConcatExpression
extends ExpressionBase

Concatenation expression that concatenates the result of child expressions to the expression.

See Also:
Serialized Form

Constructor Summary
ConcatExpression()
           
 
Method Summary
 ConcatExpression add(Expression expression)
          Add an expression to include in the computation.
 ConcatExpression add(Object object)
          Add a constant to include in the computation.
 ConcatExpression add(String propertyName)
          Add a property to include in the computation.
 void toEPL(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.client.soda.ExpressionBase
addChild, getChildren
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ConcatExpression

public ConcatExpression()
Method Detail

add

public ConcatExpression add(Object object)
Add a constant to include in the computation.

Parameters:
object - constant to add
Returns:
expression

add

public ConcatExpression add(Expression expression)
Add an expression to include in the computation.

Parameters:
expression - to add
Returns:
expression

add

public ConcatExpression add(String propertyName)
Add a property to include in the computation.

Parameters:
propertyName - is the name of the property
Returns:
expression

toEPL

public void toEPL(StringWriter writer)
Description copied from interface: Expression
Renders the expressions and all it's child expression, in full tree depth, as a string in language syntax.

Parameters:
writer - is the output to use

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