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| org.apache.openjpa.jdbc.meta</FONT> |
| <BR> |
| Interface DiscriminatorStrategy</H2> |
| <DL> |
| <DT><B>All Superinterfaces:</B> <DD><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html" title="interface in org.apache.openjpa.jdbc.meta">Strategy</A></DD> |
| </DL> |
| <DL> |
| <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/AbstractDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">AbstractDiscriminatorStrategy</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/ClassNameDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">ClassNameDiscriminatorStrategy</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Discriminator.html" title="class in org.apache.openjpa.jdbc.meta">Discriminator</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/InValueDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">InValueDiscriminatorStrategy</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/NoneDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">NoneDiscriminatorStrategy</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/SubclassJoinDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">SubclassJoinDiscriminatorStrategy</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/SuperclassDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">SuperclassDiscriminatorStrategy</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/strats/ValueMapDiscriminatorStrategy.html" title="class in org.apache.openjpa.jdbc.meta.strats">ValueMapDiscriminatorStrategy</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public interface <B>DiscriminatorStrategy</B><DT>extends <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html" title="interface in org.apache.openjpa.jdbc.meta">Strategy</A></DL> |
| </PRE> |
| |
| <P> |
| Handles determining the object class of database records. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Author:</B></DT> |
| <DD>Abe White</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#getClass(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.meta.ClassMapping, org.apache.openjpa.jdbc.sql.Result)">getClass</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A> store, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> base, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</A> result)</CODE> |
| |
| <BR> |
| Return the class for the current result row.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#getClassConditions(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.sql.Joins, org.apache.openjpa.jdbc.meta.ClassMapping, boolean)">getClassConditions</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A> sel, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</A> joins, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> base, |
| boolean subs)</CODE> |
| |
| <BR> |
| Return SQL to limit the classes selected as much as possible to the |
| given base class, and optionally its subclasses.</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="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#hasClassConditions(org.apache.openjpa.jdbc.meta.ClassMapping, boolean)">hasClassConditions</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> base, |
| boolean subs)</CODE> |
| |
| <BR> |
| Whether any class conditions are necessary.</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="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#loadSubclasses(org.apache.openjpa.jdbc.kernel.JDBCStore)">loadSubclasses</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A> store)</CODE> |
| |
| <BR> |
| Load all subclasses of the owning class mapping into the JVM.</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="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#select(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.meta.ClassMapping)">select</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A> sel, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> mapping)</CODE> |
| |
| <BR> |
| Select the data for this Discriminator.</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="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#setDiscriminator(org.apache.openjpa.jdbc.meta.Discriminator)">setDiscriminator</A></B>(<A HREF="../../../../../org/apache/openjpa/jdbc/meta/Discriminator.html" title="class in org.apache.openjpa.jdbc.meta">Discriminator</A> owner)</CODE> |
| |
| <BR> |
| Set the Discriminator that uses this strategy.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.openjpa.jdbc.meta.Strategy"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from interface org.apache.openjpa.jdbc.meta.<A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html" title="interface in org.apache.openjpa.jdbc.meta">Strategy</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#customDelete(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore)">customDelete</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#customInsert(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore)">customInsert</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#customUpdate(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore)">customUpdate</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#delete(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.sql.RowManager)">delete</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#getAlias()">getAlias</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#initialize()">initialize</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#insert(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.sql.RowManager)">insert</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#isCustomDelete(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore)">isCustomDelete</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#isCustomInsert(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore)">isCustomInsert</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#isCustomUpdate(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore)">isCustomUpdate</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#map(boolean)">map</A>, <A HREF="../../../../../org/apache/openjpa/jdbc/meta/Strategy.html#update(org.apache.openjpa.kernel.OpenJPAStateManager, org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.sql.RowManager)">update</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="setDiscriminator(org.apache.openjpa.jdbc.meta.Discriminator)"><!-- --></A><H3> |
| setDiscriminator</H3> |
| <PRE> |
| void <B>setDiscriminator</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/meta/Discriminator.html" title="class in org.apache.openjpa.jdbc.meta">Discriminator</A> owner)</PRE> |
| <DL> |
| <DD>Set the Discriminator that uses this strategy. This will be called |
| before use. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="select(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.meta.ClassMapping)"><!-- --></A><H3> |
| select</H3> |
| <PRE> |
| boolean <B>select</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A> sel, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> mapping)</PRE> |
| <DL> |
| <DD>Select the data for this Discriminator. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>mapping</CODE> - the known base class being selected; this may |
| not be the base class in the inheritance hierarchy |
| <DT><B>Returns:</B><DD>true if anything was selected; false otherwise</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="loadSubclasses(org.apache.openjpa.jdbc.kernel.JDBCStore)"><!-- --></A><H3> |
| loadSubclasses</H3> |
| <PRE> |
| void <B>loadSubclasses</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A> store) |
| throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A>, |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
| <DL> |
| <DD>Load all subclasses of the owning class mapping into the JVM. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></CODE> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getClass(org.apache.openjpa.jdbc.kernel.JDBCStore, org.apache.openjpa.jdbc.meta.ClassMapping, org.apache.openjpa.jdbc.sql.Result)"><!-- --></A><H3> |
| getClass</H3> |
| <PRE> |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> <B>getClass</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/kernel/JDBCStore.html" title="interface in org.apache.openjpa.jdbc.kernel">JDBCStore</A> store, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> base, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Result.html" title="interface in org.apache.openjpa.jdbc.sql">Result</A> result) |
| throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A>, |
| <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
| <DL> |
| <DD>Return the class for the current result row. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></CODE> |
| <DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="hasClassConditions(org.apache.openjpa.jdbc.meta.ClassMapping, boolean)"><!-- --></A><H3> |
| hasClassConditions</H3> |
| <PRE> |
| boolean <B>hasClassConditions</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> base, |
| boolean subs)</PRE> |
| <DL> |
| <DD>Whether any class conditions are necessary. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../org/apache/openjpa/jdbc/meta/DiscriminatorStrategy.html#getClassConditions(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.sql.Joins, org.apache.openjpa.jdbc.meta.ClassMapping, boolean)"><CODE>getClassConditions(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.sql.Joins, org.apache.openjpa.jdbc.meta.ClassMapping, boolean)</CODE></A></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getClassConditions(org.apache.openjpa.jdbc.sql.Select, org.apache.openjpa.jdbc.sql.Joins, org.apache.openjpa.jdbc.meta.ClassMapping, boolean)"><!-- --></A><H3> |
| getClassConditions</H3> |
| <PRE> |
| <A HREF="../../../../../org/apache/openjpa/jdbc/sql/SQLBuffer.html" title="class in org.apache.openjpa.jdbc.sql">SQLBuffer</A> <B>getClassConditions</B>(<A HREF="../../../../../org/apache/openjpa/jdbc/sql/Select.html" title="interface in org.apache.openjpa.jdbc.sql">Select</A> sel, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/sql/Joins.html" title="interface in org.apache.openjpa.jdbc.sql">Joins</A> joins, |
| <A HREF="../../../../../org/apache/openjpa/jdbc/meta/ClassMapping.html" title="class in org.apache.openjpa.jdbc.meta">ClassMapping</A> base, |
| boolean subs)</PRE> |
| <DL> |
| <DD>Return SQL to limit the classes selected as much as possible to the |
| given base class, and optionally its subclasses. The select and joins |
| instances are supplied in order to get column aliases. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
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