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7MultipleKeyDataEntry (Oracle - Berkeley DB Java API)
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52<b>Berkeley DB</b><br><font size="-1"> version 4.8.30</font></EM>
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91com.sleepycat.db</FONT>
92<BR>
93Class MultipleKeyDataEntry</H2>
94<PRE>
95<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
96  <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">com.sleepycat.db.DatabaseEntry</A>
97      <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../com/sleepycat/db/MultipleEntry.html" title="class in com.sleepycat.db">com.sleepycat.db.MultipleEntry</A>
98          <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.db.MultipleKeyDataEntry</B>
99</PRE>
100<HR>
101<DL>
102<DT><PRE>public class <B>MultipleKeyDataEntry</B><DT>extends <A HREF="../../../com/sleepycat/db/MultipleEntry.html" title="class in com.sleepycat.db">MultipleEntry</A></DL>
103</PRE>
104
105<P>
106A DatabaseEntry that holds multiple key/data pairs returned by a single
107<A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> or <A HREF="../../../com/sleepycat/db/Cursor.html" title="class in com.sleepycat.db"><CODE>Cursor</CODE></A> get call.
108<P>
109
110<P>
111<HR>
112
113<P>
114
115<!-- ======== CONSTRUCTOR SUMMARY ======== -->
116
117<A NAME="constructor_summary"><!-- --></A>
118<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
119<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
120<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
121<B>Constructor Summary</B></FONT></TH>
122</TR>
123<TR BGCOLOR="white" CLASS="TableRowColor">
124<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#MultipleKeyDataEntry()">MultipleKeyDataEntry</A></B>()</CODE>
125
126<BR>
127&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct an entry with no data.</TD>
128</TR>
129<TR BGCOLOR="white" CLASS="TableRowColor">
130<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#MultipleKeyDataEntry(byte[])">MultipleKeyDataEntry</A></B>(byte[]&nbsp;data)</CODE>
131
132<BR>
133&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct an entry with a given byte array.</TD>
134</TR>
135<TR BGCOLOR="white" CLASS="TableRowColor">
136<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#MultipleKeyDataEntry(byte[], int, int)">MultipleKeyDataEntry</A></B>(byte[]&nbsp;data,
137                     int&nbsp;offset,
138                     int&nbsp;size)</CODE>
139
140<BR>
141&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a DatabaseEntry with a given byte array, offset and size.</TD>
142</TR>
143</TABLE>
144&nbsp;
145<!-- ========== METHOD SUMMARY =========== -->
146
147<A NAME="method_summary"><!-- --></A>
148<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
149<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
150<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
151<B>Method Summary</B></FONT></TH>
152</TR>
153<TR BGCOLOR="white" CLASS="TableRowColor">
154<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
155<CODE>&nbsp;boolean</CODE></FONT></TD>
156<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#append(byte[], byte[])">append</A></B>(byte[]&nbsp;key,
157       byte[]&nbsp;data)</CODE>
158
159<BR>
160&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Append an entry to the bulk buffer.</TD>
161</TR>
162<TR BGCOLOR="white" CLASS="TableRowColor">
163<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
164<CODE>&nbsp;boolean</CODE></FONT></TD>
165<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#append(byte[], int, int, byte[], int, int)">append</A></B>(byte[]&nbsp;key,
166       int&nbsp;koff,
167       int&nbsp;klen,
168       byte[]&nbsp;data,
169       int&nbsp;doff,
170       int&nbsp;dlen)</CODE>
171
172<BR>
173&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Append an entry to the bulk buffer.</TD>
174</TR>
175<TR BGCOLOR="white" CLASS="TableRowColor">
176<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
177<CODE>&nbsp;boolean</CODE></FONT></TD>
178<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#append(com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)">append</A></B>(<A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;key,
179       <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;data)</CODE>
180
181<BR>
182&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Append an entry to the bulk buffer.</TD>
183</TR>
184<TR BGCOLOR="white" CLASS="TableRowColor">
185<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
186<CODE>&nbsp;boolean</CODE></FONT></TD>
187<TD><CODE><B><A HREF="../../../com/sleepycat/db/MultipleKeyDataEntry.html#next(com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)">next</A></B>(<A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;key,
188     <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;data)</CODE>
189
190<BR>
191&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the next key/data pair in the returned set.</TD>
192</TR>
193</TABLE>
194&nbsp;<A NAME="methods_inherited_from_class_com.sleepycat.db.MultipleEntry"><!-- --></A>
195<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
196<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
197<TH ALIGN="left"><B>Methods inherited from class com.sleepycat.db.<A HREF="../../../com/sleepycat/db/MultipleEntry.html" title="class in com.sleepycat.db">MultipleEntry</A></B></TH>
198</TR>
199<TR BGCOLOR="white" CLASS="TableRowColor">
200<TD><CODE><A HREF="../../../com/sleepycat/db/MultipleEntry.html#append_internal(byte[], int, int)">append_internal</A>, <A HREF="../../../com/sleepycat/db/MultipleEntry.html#append_internal(byte[], int, int, int)">append_internal</A>, <A HREF="../../../com/sleepycat/db/MultipleEntry.html#setUserBuffer(int, boolean)">setUserBuffer</A></CODE></TD>
201</TR>
202</TABLE>
203&nbsp;<A NAME="methods_inherited_from_class_com.sleepycat.db.DatabaseEntry"><!-- --></A>
204<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
205<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
206<TH ALIGN="left"><B>Methods inherited from class com.sleepycat.db.<A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A></B></TH>
207</TR>
208<TR BGCOLOR="white" CLASS="TableRowColor">
209<TD><CODE><A HREF="../../../com/sleepycat/db/DatabaseEntry.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getData()">getData</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getDataNIO()">getDataNIO</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getOffset()">getOffset</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getPartial()">getPartial</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getPartialLength()">getPartialLength</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getPartialOffset()">getPartialOffset</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getRecordNumber()">getRecordNumber</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getReuseBuffer()">getReuseBuffer</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getSize()">getSize</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getUserBuffer()">getUserBuffer</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#getUserBufferLength()">getUserBufferLength</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#hashCode()">hashCode</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setData(byte[])">setData</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setData(byte[], int, int)">setData</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setDataNIO(java.nio.ByteBuffer)">setDataNIO</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setDataNIO(java.nio.ByteBuffer, int, int)">setDataNIO</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setOffset(int)">setOffset</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setPartial(boolean)">setPartial</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setPartial(int, int, boolean)">setPartial</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setPartialLength(int)">setPartialLength</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setPartialOffset(int)">setPartialOffset</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setRecordNumber(int)">setRecordNumber</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setReuseBuffer(boolean)">setReuseBuffer</A>, <A HREF="../../../com/sleepycat/db/DatabaseEntry.html#setSize(int)">setSize</A></CODE></TD>
210</TR>
211</TABLE>
212&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
213<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
214<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
215<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
216</TR>
217<TR BGCOLOR="white" CLASS="TableRowColor">
218<TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
219</TR>
220</TABLE>
221&nbsp;
222<P>
223
224<!-- ========= CONSTRUCTOR DETAIL ======== -->
225
226<A NAME="constructor_detail"><!-- --></A>
227<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
228<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
229<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
230<B>Constructor Detail</B></FONT></TH>
231</TR>
232</TABLE>
233
234<A NAME="MultipleKeyDataEntry()"><!-- --></A><H3>
235MultipleKeyDataEntry</H3>
236<PRE>
237public <B>MultipleKeyDataEntry</B>()</PRE>
238<DL>
239<DD>Construct an entry with no data. The object must be configured
240    before use with the <A HREF="../../../com/sleepycat/db/MultipleEntry.html#setUserBuffer(int, boolean)"><CODE>MultipleEntry.setUserBuffer</CODE></A> method.
241<P>
242</DL>
243<HR>
244
245<A NAME="MultipleKeyDataEntry(byte[])"><!-- --></A><H3>
246MultipleKeyDataEntry</H3>
247<PRE>
248public <B>MultipleKeyDataEntry</B>(byte[]&nbsp;data)</PRE>
249<DL>
250<DD>Construct an entry with a given byte array.  The offset is
251    set to zero; the size is set to the length of the array.  If null
252    is passed, the object must be configured before use with the
253    <A HREF="../../../com/sleepycat/db/MultipleEntry.html#setUserBuffer(int, boolean)"><CODE>MultipleEntry.setUserBuffer</CODE></A> method.
254    <p>
255<P>
256<DL>
257<DT><B>Parameters:</B><DD><CODE>data</CODE> - Byte array wrapped by the entry.</DL>
258</DL>
259<HR>
260
261<A NAME="MultipleKeyDataEntry(byte[], int, int)"><!-- --></A><H3>
262MultipleKeyDataEntry</H3>
263<PRE>
264public <B>MultipleKeyDataEntry</B>(byte[]&nbsp;data,
265                            int&nbsp;offset,
266                            int&nbsp;size)</PRE>
267<DL>
268<DD>Constructs a DatabaseEntry with a given byte array, offset and size.
269    <p>
270<P>
271<DL>
272<DT><B>Parameters:</B><DD><CODE>data</CODE> - Byte array wrapped by the DatabaseEntry.<DD><CODE>offset</CODE> - Offset in the first byte in the byte array to be included.<DD><CODE>size</CODE> - Number of bytes in the byte array to be included.</DL>
273</DL>
274
275<!-- ============ METHOD DETAIL ========== -->
276
277<A NAME="method_detail"><!-- --></A>
278<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
279<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
280<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
281<B>Method Detail</B></FONT></TH>
282</TR>
283</TABLE>
284
285<A NAME="next(com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)"><!-- --></A><H3>
286next</H3>
287<PRE>
288public boolean <B>next</B>(<A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;key,
289                    <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;data)</PRE>
290<DL>
291<DD>Get the next key/data pair in the returned set.  This method may only
292    be called after a successful call to a <A HREF="../../../com/sleepycat/db/Database.html" title="class in com.sleepycat.db"><CODE>Database</CODE></A> or
293    <A HREF="../../../com/sleepycat/db/Cursor.html" title="class in com.sleepycat.db"><CODE>Cursor</CODE></A> get method with this object as the data parameter.
294    <p>
295<P>
296<DD><DL>
297<DT><B>Parameters:</B><DD><CODE>key</CODE> - an entry that is set to refer to the next key element in the returned
298    set.
299    <p><DD><CODE>data</CODE> - an entry that is set to refer to the next data element in the returned
300    set.
301    <p>
302<DT><B>Returns:</B><DD>indicates whether a value was found.  A return of <code>false</code>
303    indicates that the end of the set was reached.</DL>
304</DD>
305</DL>
306<HR>
307
308<A NAME="append(byte[], int, int, byte[], int, int)"><!-- --></A><H3>
309append</H3>
310<PRE>
311public boolean <B>append</B>(byte[]&nbsp;key,
312                      int&nbsp;koff,
313                      int&nbsp;klen,
314                      byte[]&nbsp;data,
315                      int&nbsp;doff,
316                      int&nbsp;dlen)
317               throws <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
318<DL>
319<DD>Append an entry to the bulk buffer.
320    <p>
321<P>
322<DD><DL>
323<DT><B>Parameters:</B><DD><CODE>key</CODE> - an array containing the key to be added.<DD><CODE>koff</CODE> - the position in the <b>key</b> array where the record starts.<DD><CODE>klen</CODE> - the length of the record, in bytes, to be copied from the <b>key</b> array.<DD><CODE>data</CODE> - an array containing the value to be added.<DD><CODE>doff</CODE> - the position in the <b>data</b> array where the record starts.<DD><CODE>dlen</CODE> - the length of the record, in bytes, to be copied from the <b>data</b> array.
324    <p>
325<DT><B>Returns:</B><DD>indicates whether there was space.  A return of <code>false</code>
326    indicates that the specified entry could not fit in the buffer.
327<DT><B>Throws:</B>
328<DD><CODE><A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE></DL>
329</DD>
330</DL>
331<HR>
332
333<A NAME="append(com.sleepycat.db.DatabaseEntry, com.sleepycat.db.DatabaseEntry)"><!-- --></A><H3>
334append</H3>
335<PRE>
336public boolean <B>append</B>(<A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;key,
337                      <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db">DatabaseEntry</A>&nbsp;data)
338               throws <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
339<DL>
340<DD>Append an entry to the bulk buffer.
341    <p>
342<P>
343<DD><DL>
344<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key to be appended, using the offset and size specified in the
345    <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db"><CODE>DatabaseEntry</CODE></A>.<DD><CODE>data</CODE> - the value to be appended, using the offset and size specified in the
346    <A HREF="../../../com/sleepycat/db/DatabaseEntry.html" title="class in com.sleepycat.db"><CODE>DatabaseEntry</CODE></A>.
347    <p>
348<DT><B>Returns:</B><DD>indicates whether there was space.  A return of <code>false</code>
349    indicates that the specified entry could not fit in the buffer.
350<DT><B>Throws:</B>
351<DD><CODE><A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></CODE></DL>
352</DD>
353</DL>
354<HR>
355
356<A NAME="append(byte[], byte[])"><!-- --></A><H3>
357append</H3>
358<PRE>
359public boolean <B>append</B>(byte[]&nbsp;key,
360                      byte[]&nbsp;data)
361               throws <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</A></PRE>
362<DL>
363<DD>Append an entry to the bulk buffer.
364    <p>
365<P>
366<DD><DL>
367<DT><B>Parameters:</B><DD><CODE>key</CODE> - an array containing the key to be added.<DD><CODE>data</CODE> - an array containing the value to be added.
368    <p>
369<DT><B>Returns:</B><DD>indicates whether there was space.  A return of <code>false</code>
370    indicates that the specified entry could not fit in the buffer.
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