Package com.espertech.esper.common.internal.epl.join.queryplan

Class QueryPlanIndexUniqueHelper

java.lang.Object

com.espertech.esper.common.internal.epl.join.queryplan.QueryPlanIndexUniqueHelper

public class QueryPlanIndexUniqueHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	QueryPlanIndexUniqueHelper.ReducedHashKeys

Constructor Summary

Constructors

Constructor	Description
QueryPlanIndexUniqueHelper()

Method Summary

Modifier and Type	Method	Description
static int[]	checkSufficientGetAssignment(String[] hashPropsRequired, String[] hashPropsProvided)
static QueryPlanIndexUniqueHelper.ReducedHashKeys	reduceToUniqueIfPossible(String[] hashPropsProvided, EPTypeClass[] hashCoercionTypes, List<QueryGraphValueEntryHashKeyedForge> hashFunctions, String[][] hashPropsRequiredPerIndex)

Methods inherited from class java.lang.Object

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

Constructor Details

QueryPlanIndexUniqueHelper

public QueryPlanIndexUniqueHelper()

Method Details

reduceToUniqueIfPossible

public static QueryPlanIndexUniqueHelper.ReducedHashKeys reduceToUniqueIfPossible(String[] hashPropsProvided,
 EPTypeClass[] hashCoercionTypes,
 List<QueryGraphValueEntryHashKeyedForge> hashFunctions,
 String[][] hashPropsRequiredPerIndex)

checkSufficientGetAssignment

public static int[] checkSufficientGetAssignment(String[] hashPropsRequired,
 String[] hashPropsProvided)