Package com.apple.foundationdb.record.metadata

Class StoreRecordFunction<T>

java.lang.Object

com.apple.foundationdb.record.RecordFunction<T>

com.apple.foundationdb.record.metadata.StoreRecordFunction<T>

Type Parameters:

T - the type of the result value

All Implemented Interfaces:

PlanHashable, QueryHashable

@API(MAINTAINED)
public class StoreRecordFunction<T>
extends RecordFunction<T>

Record function that should be evaluated for some record against an FDBRecordStoreBase instance.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.PlanHashable

PlanHashable.PlanHashKind

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.QueryHashable

QueryHashable.QueryHashKind

Constructor Summary

Constructors

Constructor	Description
StoreRecordFunction(String name)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()
int	planHash(PlanHashable.PlanHashKind hashKind)	Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.
int	queryHash(QueryHashable.QueryHashKind hashKind)	Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.
String	toString()

Methods inherited from class com.apple.foundationdb.record.RecordFunction

basePlanHash, baseQueryHash, getName, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.apple.foundationdb.record.PlanHashable

planHash

Constructor Detail

StoreRecordFunction

public StoreRecordFunction(@Nonnull
                           String name)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class RecordFunction<T>

hashCode

public int hashCode()

Overrides:

hashCode in class RecordFunction<T>

planHash

public int planHash(@Nonnull
                    PlanHashable.PlanHashKind hashKind)

Description copied from interface: PlanHashable

Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.

Parameters:

hashKind - the "kind" of hash to calculate. Each kind of hash has a particular logic with regards to included and excluded items.

Returns:

a stable hash code

queryHash

public int queryHash(@Nonnull
                     QueryHashable.QueryHashKind hashKind)

Description copied from interface: QueryHashable

Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.

Parameters:

hashKind - the "kind" of hash to calculate. Each kind of hash has a particular logic with regards to included and excluded items.

Returns:

a stable hash code