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StoredContainer
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SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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<FONT SIZE="-1">
com.sleepycat.collections</FONT>
<BR>
Class StoredContainer</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.sleepycat.collections.StoredContainer</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable</DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../com/sleepycat/collections/StoredCollection.html" title="class in com.sleepycat.collections">StoredCollection</A>, <A HREF="../../../com/sleepycat/collections/StoredMap.html" title="class in com.sleepycat.collections">StoredMap</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public abstract class <B>StoredContainer</B><DT>extends java.lang.Object<DT>implements java.lang.Cloneable</DL>
</PRE>
<P>
A abstract base class for all stored collections and maps. This class
provides implementations of methods that are common to the <CODE>Collection</CODE> and the <CODE>Map</CODE> interfaces, namely
<A HREF="../../../com/sleepycat/collections/StoredContainer.html#clear()"><CODE>clear()</CODE></A>, <A HREF="../../../com/sleepycat/collections/StoredContainer.html#isEmpty()"><CODE>isEmpty()</CODE></A> and <A HREF="../../../com/sleepycat/collections/StoredContainer.html#size()"><CODE>size()</CODE></A>.
<p>In addition, this class provides the following methods for stored
collections only. Note that the use of these methods is not compatible with
the standard Java collections interface.</p>
<ul>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isWriteAllowed()"><CODE>isWriteAllowed()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isSecondary()"><CODE>isSecondary()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isOrdered()"><CODE>isOrdered()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areKeyRangesAllowed()"><CODE>areKeyRangesAllowed()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areDuplicatesAllowed()"><CODE>areDuplicatesAllowed()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areDuplicatesOrdered()"><CODE>areDuplicatesOrdered()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areKeysRenumbered()"><CODE>areKeysRenumbered()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#getCursorConfig()"><CODE>getCursorConfig()</CODE></A></li>
<li><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isTransactional()"><CODE>isTransactional()</CODE></A></li>
</ul>
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<P>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areDuplicatesAllowed()">areDuplicatesAllowed</A></B>()</CODE>
<BR>
Returns whether duplicate keys are allowed in this container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areDuplicatesOrdered()">areDuplicatesOrdered</A></B>()</CODE>
<BR>
Returns whether duplicate keys are allowed and sorted by element value.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areKeyRangesAllowed()">areKeyRangesAllowed</A></B>()</CODE>
<BR>
Returns whether key ranges are allowed in this container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#areKeysRenumbered()">areKeysRenumbered</A></B>()</CODE>
<BR>
Returns whether keys are renumbered when insertions and deletions occur.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#clear()">clear</A></B>()</CODE>
<BR>
Removes all mappings or elements from this map or collection (optional
operation).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../com/sleepycat/db/CursorConfig.html" title="class in com.sleepycat.db">CursorConfig</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#getCursorConfig()">getCursorConfig</A></B>()</CODE>
<BR>
Returns the cursor configuration that is used for all operations
performed via this container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isDirtyRead()">isDirtyRead</A></B>()</CODE>
<BR>
<B>Deprecated.</B> <I>This method has been replaced by <A HREF="../../../com/sleepycat/collections/StoredContainer.html#getCursorConfig()"><CODE>getCursorConfig()</CODE></A>.
<code>CursorConfig.isReadUncommitted</code> may be called to determine
whether dirty-read is enabled.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isDirtyReadAllowed()">isDirtyReadAllowed</A></B>()</CODE>
<BR>
<B>Deprecated.</B> <I>This method is deprecated with no replacement in this class.
In the DB product, <code>DatabaseConfig.getReadUncommitted</code> may be
called.</I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isEmpty()">isEmpty</A></B>()</CODE>
<BR>
Returns true if this map or collection contains no mappings or elements.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isOrdered()">isOrdered</A></B>()</CODE>
<BR>
Returns whether keys are ordered in this container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isSecondary()">isSecondary</A></B>()</CODE>
<BR>
Returns whether this container is a view on a secondary database rather
than directly on a primary database.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isTransactional()">isTransactional</A></B>()</CODE>
<BR>
Returns whether the databases underlying this container are
transactional.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#isWriteAllowed()">isWriteAllowed</A></B>()</CODE>
<BR>
Returns true if this is a read-write container or false if this is a
read-only container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../com/sleepycat/collections/StoredContainer.html#size()">size</A></B>()</CODE>
<BR>
Returns a non-transactional count of the records in the collection or
map.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ METHOD DETAIL ========== -->
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<B>Method Detail</B></FONT></TH>
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</TABLE>
<A NAME="isWriteAllowed()"><!-- --></A><H3>
isWriteAllowed</H3>
<PRE>
public final boolean <B>isWriteAllowed</B>()</PRE>
<DL>
<DD>Returns true if this is a read-write container or false if this is a
read-only container.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether write is allowed.</DL>
</DD>
</DL>
<HR>
<A NAME="getCursorConfig()"><!-- --></A><H3>
getCursorConfig</H3>
<PRE>
public final <A HREF="../../../com/sleepycat/db/CursorConfig.html" title="class in com.sleepycat.db">CursorConfig</A> <B>getCursorConfig</B>()</PRE>
<DL>
<DD>Returns the cursor configuration that is used for all operations
performed via this container.
For example, if <code>CursorConfig.getReadUncommitted</code> returns
true, data will be read that is modified but not committed.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the cursor configuration, or null if no configuration has been
specified.</DL>
</DD>
</DL>
<HR>
<A NAME="isDirtyReadAllowed()"><!-- --></A><H3>
isDirtyReadAllowed</H3>
<PRE>
public final boolean <B>isDirtyReadAllowed</B>()</PRE>
<DL>
<DD><B>Deprecated.</B> <I>This method is deprecated with no replacement in this class.
In the DB product, <code>DatabaseConfig.getReadUncommitted</code> may be
called.</I>
<P>
<DD>Returns whether read-uncommitted is allowed for this container.
For the JE product, read-uncommitted is always allowed; for the DB
product, read-uncommitted is allowed if it was configured for the
underlying database for this container.
Even when read-uncommitted is allowed it must specifically be enabled by
calling one of the <A HREF="../../../com/sleepycat/collections/StoredCollections.html" title="class in com.sleepycat.collections"><CODE>StoredCollections</CODE></A> methods.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether read-uncommitted is allowed.</DL>
</DD>
</DL>
<HR>
<A NAME="isDirtyRead()"><!-- --></A><H3>
isDirtyRead</H3>
<PRE>
public final boolean <B>isDirtyRead</B>()</PRE>
<DL>
<DD><B>Deprecated.</B> <I>This method has been replaced by <A HREF="../../../com/sleepycat/collections/StoredContainer.html#getCursorConfig()"><CODE>getCursorConfig()</CODE></A>.
<code>CursorConfig.isReadUncommitted</code> may be called to determine
whether dirty-read is enabled.</I>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="isTransactional()"><!-- --></A><H3>
isTransactional</H3>
<PRE>
public final boolean <B>isTransactional</B>()</PRE>
<DL>
<DD>Returns whether the databases underlying this container are
transactional.
Even in a transactional environment, a database will be transactional
only if it was opened within a transaction or if the auto-commit option
was specified when it was opened.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether the database is transactional.</DL>
</DD>
</DL>
<HR>
<A NAME="areDuplicatesAllowed()"><!-- --></A><H3>
areDuplicatesAllowed</H3>
<PRE>
public final boolean <B>areDuplicatesAllowed</B>()</PRE>
<DL>
<DD>Returns whether duplicate keys are allowed in this container.
Duplicates are optionally allowed for HASH and BTREE databases.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<p>Note that the JE product only supports BTREE databases.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether duplicates are allowed.</DL>
</DD>
</DL>
<HR>
<A NAME="areDuplicatesOrdered()"><!-- --></A><H3>
areDuplicatesOrdered</H3>
<PRE>
public final boolean <B>areDuplicatesOrdered</B>()</PRE>
<DL>
<DD>Returns whether duplicate keys are allowed and sorted by element value.
Duplicates are optionally sorted for HASH and BTREE databases.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<p>Note that the JE product only supports BTREE databases, and
duplicates are always sorted.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether duplicates are ordered.</DL>
</DD>
</DL>
<HR>
<A NAME="areKeysRenumbered()"><!-- --></A><H3>
areKeysRenumbered</H3>
<PRE>
public final boolean <B>areKeysRenumbered</B>()</PRE>
<DL>
<DD>Returns whether keys are renumbered when insertions and deletions occur.
Keys are optionally renumbered for RECNO databases.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<p>Note that the JE product does not support RECNO databases, and
therefore keys are never renumbered.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether keys are renumbered.</DL>
</DD>
</DL>
<HR>
<A NAME="isOrdered()"><!-- --></A><H3>
isOrdered</H3>
<PRE>
public final boolean <B>isOrdered</B>()</PRE>
<DL>
<DD>Returns whether keys are ordered in this container.
Keys are ordered for BTREE, RECNO and QUEUE databases.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<p>Note that the JE product only support BTREE databases, and
therefore keys are always ordered.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether keys are ordered.</DL>
</DD>
</DL>
<HR>
<A NAME="areKeyRangesAllowed()"><!-- --></A><H3>
areKeyRangesAllowed</H3>
<PRE>
public final boolean <B>areKeyRangesAllowed</B>()</PRE>
<DL>
<DD>Returns whether key ranges are allowed in this container.
Key ranges are allowed only for BTREE databases.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<p>Note that the JE product only supports BTREE databases, and
therefore key ranges are always allowed.</p>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether keys are ordered.</DL>
</DD>
</DL>
<HR>
<A NAME="isSecondary()"><!-- --></A><H3>
isSecondary</H3>
<PRE>
public final boolean <B>isSecondary</B>()</PRE>
<DL>
<DD>Returns whether this container is a view on a secondary database rather
than directly on a primary database.
This method does not exist in the standard <CODE>Map</CODE> or
<CODE>Collection</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether the view is for a secondary database.</DL>
</DD>
</DL>
<HR>
<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
public abstract int <B>size</B>()</PRE>
<DL>
<DD>Returns a non-transactional count of the records in the collection or
map. This method conforms to the <CODE>Collection.size()</CODE> and
<CODE>Map.size()</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../com/sleepycat/util/RuntimeExceptionWrapper.html" title="class in com.sleepycat.util">RuntimeExceptionWrapper</A></CODE> - if a <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db"><CODE>DatabaseException</CODE></A> is thrown.</DL>
</DD>
</DL>
<HR>
<A NAME="isEmpty()"><!-- --></A><H3>
isEmpty</H3>
<PRE>
public boolean <B>isEmpty</B>()</PRE>
<DL>
<DD>Returns true if this map or collection contains no mappings or elements.
This method conforms to the <CODE>Collection.isEmpty()</CODE> and
<CODE>Map.isEmpty()</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>whether the container is empty.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../com/sleepycat/util/RuntimeExceptionWrapper.html" title="class in com.sleepycat.util">RuntimeExceptionWrapper</A></CODE> - if a <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db"><CODE>DatabaseException</CODE></A> is thrown.</DL>
</DD>
</DL>
<HR>
<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <B>clear</B>()</PRE>
<DL>
<DD>Removes all mappings or elements from this map or collection (optional
operation).
This method conforms to the <CODE>Collection.clear()</CODE> and
<CODE>Map.clear()</CODE> interfaces.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.UnsupportedOperationException</CODE> - if the container is read-only.
<DD><CODE><A HREF="../../../com/sleepycat/util/RuntimeExceptionWrapper.html" title="class in com.sleepycat.util">RuntimeExceptionWrapper</A></CODE> - if a <A HREF="../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db"><CODE>DatabaseException</CODE></A> is thrown.</DL>
</DD>
</DL>
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distrib
>
Mandriva
>
2010.1
>
x86_64
>
media
>
main-release
>
by-pkgid
>
bc1980b66a68f286299491ee8724e71c
>
files
>
226
