Package org.rumbledb.runtime.cursor

Class AtMostOneLocalCursor<T>

java.lang.Object

org.rumbledb.runtime.cursor.AbstractLocalCursor<T>

org.rumbledb.runtime.cursor.AtMostOneLocalCursor<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

AutoCloseable, Cursor<T>

public final class AtMostOneLocalCursor<T>
extends AbstractLocalCursor<T>

Cursor template for an evaluation that produces zero or one value.

Constructor Summary

Constructors

Constructor	Description
AtMostOneLocalCursor(T value, @NonNull ExceptionMetadata metadata)

Method Summary

Modifier and Type	Method	Description
protected final void	closeLocal()
protected final boolean	hasNextLocal()
protected final T	nextLocal()
protected final void	openLocal()

Methods inherited from class org.rumbledb.runtime.cursor.AbstractLocalCursor

close, getMetadata, hasNext, invalidState, next

Methods inherited from class java.lang.Object

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

Constructor Details

AtMostOneLocalCursor

public AtMostOneLocalCursor(T value,
 @NonNull
 @NonNull ExceptionMetadata metadata)

Method Details

openLocal

protected final void openLocal()

Specified by:

openLocal in class AbstractLocalCursor<T>

hasNextLocal

protected final boolean hasNextLocal()

Specified by:

hasNextLocal in class AbstractLocalCursor<T>

nextLocal

protected final T nextLocal()

Specified by:

nextLocal in class AbstractLocalCursor<T>

closeLocal

protected final void closeLocal()

Specified by:

closeLocal in class AbstractLocalCursor<T>