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DiscriminatorStrategy (OpenJPA 1.0.1 API) | |
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<FONT SIZE="-1"> | |
org.apache.openjpa.jdbc.meta</FONT> | |
<BR> | |
Interface DiscriminatorStrategy</H2> | |
<DL> | |
<DT><B>All Superinterfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/io/Serializable.html" 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 =========== --> | |
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<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://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html" 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=""> | |
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<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://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A>, | |
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassNotFoundException.html" 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://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></CODE> | |
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassNotFoundException.html" 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://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html" 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://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A>, | |
<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassNotFoundException.html" 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://java.sun.com/j2se/1.5.0/docs/api/java/sql/SQLException.html" title="class or interface in java.sql">SQLException</A></CODE> | |
<DD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassNotFoundException.html" 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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