Package com.sleepycat.db

Class MultipleNIODataEntry

java.lang.Object

com.sleepycat.db.DatabaseEntry

com.sleepycat.db.MultipleEntry

com.sleepycat.db.MultipleNIODataEntry

public class MultipleNIODataEntry
extends MultipleEntry

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
boolean	next(DatabaseEntry data)	Get the next data element 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

MultipleNIODataEntry

public MultipleNIODataEntry()

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

MultipleNIODataEntry

public MultipleNIODataEntry(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 java.nio.ByteBuffer.

Parameters:

data - java.nio.ByteBuffer wrapped by the entry.

Method Detail

next

public boolean next(DatabaseEntry data)

Get the next data element 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.

When used with the Queue and Recno access methods, data.getData() will return null for deleted records.

Parameters:

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.