org.apache.lens.server.api.metastore

Class DefaultChecker

java.lang.Object

org.apache.lens.server.api.metastore.DefaultChecker

All Implemented Interfaces:

DataCompletenessChecker

public class DefaultChecker
extends Object
implements DataCompletenessChecker

Constructor Summary

Constructors

Constructor and Description
DefaultChecker()

Method Summary

Modifier and Type	Method and Description
Map<String,Map<Date,Float>>	getCompleteness(String factTag, Date start, Date end, Set<String> measureTag) Get completeness of the set of measures in a fact based on the dataCompletenessTag for the given starttime and endtime.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultChecker

public DefaultChecker()

Method Detail

getCompleteness

public Map<String,Map<Date,Float>> getCompleteness(String factTag,
                                                   Date start,
                                                   Date end,
                                                   Set<String> measureTag)
                                            throws LensException

Description copied from interface: DataCompletenessChecker

Get completeness of the set of measures in a fact based on the dataCompletenessTag for the given starttime and endtime.

Specified by:

getCompleteness in interface DataCompletenessChecker

Parameters:

factTag - This is the dataCompletenessTag for a fact. The tag can be specified by setting the property named dataCompletenessTag for the fact. Mutltiple facts can have the same dataCompletenessTag.

start - Start time of the query (Inclusive).

end - End time of the query (Exclusive).

measureTag - List of distinct tag of the measures in the query. Multiple measures can have the same dataCompletenessTag.

Returns:

map; key is the name of the dataCompletenessTag which refers to one or more measures. Value is the map of date and %completeness.

Throws:

LensException