Package com.yahoo.search.predicate

Class PredicateQueryParser

java.lang.Object

com.yahoo.search.predicate.PredicateQueryParser

public class PredicateQueryParser
extends java.lang.Object

Parses predicate queries from JSON. Input JSON is assumed to have the following format: { "features": [ {"k": "key-name", "v":"value", "s":"0xDEADBEEFDEADBEEF"} ], "rangeFeatures": [ {"k": "key-name", "v":42, "s":"0xDEADBEEFDEADBEEF"} ] }

Author:

bjorncs

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PredicateQueryParser.FeatureHandler<V>

Constructor Summary

Constructors

Constructor	Description
PredicateQueryParser()

Method Summary

Modifier and Type	Method	Description
void	parseJsonQuery(java.lang.String json, PredicateQueryParser.FeatureHandler<java.lang.String> featureHandler, PredicateQueryParser.FeatureHandler<java.lang.Long> rangeFeatureHandler)	Parses predicate query from JSON.

Methods inherited from class java.lang.Object

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

Constructor Detail

PredicateQueryParser

public PredicateQueryParser()

Method Detail

parseJsonQuery

public void parseJsonQuery(java.lang.String json,
                           PredicateQueryParser.FeatureHandler<java.lang.String> featureHandler,
                           PredicateQueryParser.FeatureHandler<java.lang.Long> rangeFeatureHandler)
                    throws java.lang.IllegalArgumentException

Parses predicate query from JSON.

Parameters:

json - JSON input.

featureHandler - The handler is invoked when a feature is parsed.

rangeFeatureHandler - The handler is invoked when a range feature is parsed.

Throws:

java.lang.IllegalArgumentException - If JSON is invalid.