Package com.sleepycat.db

Class MultipleKeyNIODataEntry

java.lang.Object

com.sleepycat.db.DatabaseEntry

com.sleepycat.db.MultipleEntry

com.sleepycat.db.MultipleKeyNIODataEntry

public class MultipleKeyNIODataEntry
extends MultipleEntry

A DatabaseEntry that holds multiple key/data pairs returned by a single Database or Cursor get call.

Constructor Summary

Constructors

Constructor	Description
MultipleKeyNIODataEntry()	Construct an entry with no data.
MultipleKeyNIODataEntry(java.nio.ByteBuffer data)	Construct an entry with a given java.nio.ByteBuffer.

Method Summary

Modifier and Type	Method	Description
boolean	next(DatabaseEntry key, DatabaseEntry data)	Get the next key/data pair in the returned set.

Methods inherited from class com.sleepycat.db.MultipleEntry

append_internal, append_internal, setUserBuffer

Methods inherited from class com.sleepycat.db.DatabaseEntry

equals, getBlob, getData, getDataNIO, getExternalFile, getOffset, getPartial, getPartialLength, getPartialOffset, getReadOnly, getRecordNumber, getReuseBuffer, getSize, getUserBuffer, getUserBufferLength, hashCode, setBlob, setData, setData, setDataNIO, setDataNIO, setExternalFile, setOffset, setPartial, setPartial, setPartialLength, setPartialOffset, setReadOnly, setRecordNumber, setReuseBuffer, setSize

Methods inherited from class java.lang.Object

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

Constructor Detail

MultipleKeyNIODataEntry

public MultipleKeyNIODataEntry()

Construct an entry with no data. The object must be configured before use with the DatabaseEntry.setDataNIO method.

MultipleKeyNIODataEntry

public MultipleKeyNIODataEntry(java.nio.ByteBuffer data)

Construct an entry with a given java.nio.ByteBuffer. The offset is set to zero; the size is set to the length of the buffer.

Parameters:

data - ByteBuffer wrapped by the entry.

Method Detail

next

public boolean next(DatabaseEntry key,
                    DatabaseEntry data)

Get the next key/data pair in the returned set. This method may only be called after a successful call to a Database or Cursor get method with this object as the data parameter.

Parameters:

key - an entry that is set to refer to the next key element in the returned set.

data - an entry that is set to refer to the next data element in the returned set.

Returns:

indicates whether a value was found. A return of false indicates that the end of the set was reached.