psdi.app.recontask.engine

Class ReconCompFilterExpression

java.lang.Object

psdi.app.recontask.engine.ReconExpression

psdi.app.recontask.engine.ReconCompFilterExpression

public class ReconCompFilterExpression
extends ReconExpression

Author:

Petko_Popov

Field Summary

Fields inherited from class psdi.app.recontask.engine.ReconExpression

TOKEN_CONSTANT, TOKEN_DATASET1_FIELD, TOKEN_DATASET2_FIELD, TOKEN_HIGHEST_VALUE, TOKEN_INVALID, TOKEN_LEFT_PARENTHESIS, TOKEN_LOWEST_VALUE, TOKEN_OPERATOR, TOKEN_RIGHT_PARENTHESIS, TOKEN_VALUE, validOperators

Constructor Summary

Constructors

Constructor and Description
ReconCompFilterExpression(DataSet dataSet, ReconInfo reconInfo)

Method Summary

Modifier and Type	Method and Description
ReconCompFilterReturn	evaluateExpression(ComparisonQueryHelper queries) Evaluates the expression, compiling it first if needed.

Methods inherited from class psdi.app.recontask.engine.ReconExpression

addExpressionToken, addExpressionToken, getAttributeSet, getAttributeToUnitMap, getCompiledExpressionAsString, getExpressionTag, prepareAttributeIndexes, processInfixExpression, processOperatorToken, processRightParenthesisToken, readExpression, reset, setExpressionTag

Methods inherited from class java.lang.Object

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

Constructor Detail

ReconCompFilterExpression

public ReconCompFilterExpression(DataSet dataSet,
                                 ReconInfo reconInfo)

Method Detail

evaluateExpression

public ReconCompFilterReturn evaluateExpression(ComparisonQueryHelper queries)
                                         throws MXException

Evaluates the expression, compiling it first if needed. The expression evaluation process will remove from the data those records that fail to satisfy the filtering conditions

Returns:

teh number of objects that satisfy teh condition

Throws:

MXException