Package org.yamcs.mdb

Class ConditionParser

java.lang.Object

org.yamcs.mdb.ConditionParser

public class ConditionParser
extends Object

used by the SpreadsheetLoader to parse conditions

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ConditionParser.ParameterReferenceFactory

Constructor Summary

Constructors

Constructor	Description
ConditionParser(ConditionParser.ParameterReferenceFactory prefFactory)

Method Summary

Modifier and Type	Method	Description
BooleanExpression	parseBooleanExpression(String rawExpression)	Boolean expression has the following pattern: op(epx1;exp2;...
MatchCriteria	parseMatchCriteria(String criteriaString)
Comparison	toComparison(String comparisonString)

Methods inherited from class java.lang.Object

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

Constructor Details

ConditionParser

public ConditionParser(ConditionParser.ParameterReferenceFactory prefFactory)

Method Details

parseMatchCriteria

public MatchCriteria parseMatchCriteria(String criteriaString)
                                 throws ParseException

Throws:

ParseException

parseBooleanExpression

public BooleanExpression parseBooleanExpression(String rawExpression)
                                         throws ParseException

Boolean expression has the following pattern: op(epx1;exp2;...;expn) op is & (AND) or | (OR) expi are boolean expression or condition A condition is defined as: parametername op value value can be - plain value - quoted with " or ”. The two quote characters can be used interchangeably . Backslash can be use to escape those double quote. - $other_parametername parametername can be suffixed with .raw Top level expression can be in the form epx1;exp2;...;expn which will be transformed into &(epx1;exp2;...;expn) for compatibility with the previously implemented Comparison

Parameters:

rawExpression -

Returns:

Throws:

ParseException

toComparison

public Comparison toComparison(String comparisonString)
                        throws ParseException

Throws:

ParseException