com.apple.foundationdb.record

Class RecordFunction<T>

java.lang.Object

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

Type Parameters:

T - the result type of the function

All Implemented Interfaces:

PlanHashable

Direct Known Subclasses:

IndexRecordFunction, StoreRecordFunction

@API(value=STABLE)
public abstract class RecordFunction<T>
extends Object
implements PlanHashable

A function to be applied to a record as part of query execution.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RecordFunction(String name)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
String	getName()
int	hashCode()
int	planHash() Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.
void	validate(Descriptors.Descriptor descriptor)

Methods inherited from class java.lang.Object

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

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

combineHashes, iterablePlanHash, objectPlanHash, objectsPlanHash, planHash, planHash, planHashUnordered, stringHashUnordered

Constructor Detail

RecordFunction

protected RecordFunction(@Nonnull
                         String name)

Method Detail

getName

@Nonnull
public String getName()

validate

public void validate(@Nonnull
                     Descriptors.Descriptor descriptor)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

planHash

public int planHash()

Description copied from interface: PlanHashable

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

Specified by:

planHash in interface PlanHashable

Returns:

a stable hash code