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| org.apache.cayenne.query</FONT> |
| <BR> |
| Class QueryChain</H2> |
| <PRE> |
| java.lang.Object |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.cayenne.query.QueryChain</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, <A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>QueryChain</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></DL> |
| </PRE> |
| |
| <P> |
| A Query decorator for a collection of other queries. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>1.2</DD> |
| <DT><B>Author:</B></DT> |
| <DD>Andrus Adamchik</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.cayenne.query.QueryChain">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected java.util.Collection</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#chain">chain</A></B></CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#name">name</A></B></CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#QueryChain()">QueryChain</A></B>()</CODE> |
| |
| <BR> |
| Creates an empty QueryChain.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#QueryChain(java.util.Collection)">QueryChain</A></B>(java.util.Collection queries)</CODE> |
| |
| <BR> |
| Creates a new QueryChain with a collection of Queries.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#QueryChain(org.apache.cayenne.query.Query[])">QueryChain</A></B>(<A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A>[] queries)</CODE> |
| |
| <BR> |
| Creates a new QueryChain out of an array of queries.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <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> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#addQuery(org.apache.cayenne.query.Query)">addQuery</A></B>(<A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A> query)</CODE> |
| |
| <BR> |
| Adds a query to the chain.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../org/apache/cayenne/query/SQLAction.html" title="interface in org.apache.cayenne.query">SQLAction</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#createSQLAction(org.apache.cayenne.query.SQLActionVisitor)">createSQLAction</A></B>(<A HREF="../../../../org/apache/cayenne/query/SQLActionVisitor.html" title="interface in org.apache.cayenne.query">SQLActionVisitor</A> visitor)</CODE> |
| |
| <BR> |
| Throws an exception as execution should've been delegated to the queries contained |
| in the chain.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#getMetaData(org.apache.cayenne.map.EntityResolver)">getMetaData</A></B>(<A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A> resolver)</CODE> |
| |
| <BR> |
| Returns default metadata.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#getName()">getName</A></B>()</CODE> |
| |
| <BR> |
| Returns a symbolic name of the query.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/query/QueryChain.html#getRoot()">getRoot</A></B>()</CODE> |
| |
| <BR> |
| <B>Deprecated.</B> <I>since 1.2</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="../../../../org/apache/cayenne/query/QueryChain.html#isEmpty()">isEmpty</A></B>()</CODE> |
| |
| <BR> |
| </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/cayenne/query/QueryChain.html#removeQuery(org.apache.cayenne.query.Query)">removeQuery</A></B>(<A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A> query)</CODE> |
| |
| <BR> |
| Removes a query from the chain, returning true if the query was indeed present in |
| the chain and was removed.</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/cayenne/query/QueryChain.html#route(org.apache.cayenne.query.QueryRouter, org.apache.cayenne.map.EntityResolver, org.apache.cayenne.query.Query)">route</A></B>(<A HREF="../../../../org/apache/cayenne/query/QueryRouter.html" title="interface in org.apache.cayenne.query">QueryRouter</A> router, |
| <A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A> resolver, |
| <A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A> substitutedQuery)</CODE> |
| |
| <BR> |
| Delegates routing to each individual query in the chain.</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/cayenne/query/QueryChain.html#setName(java.lang.String)">setName</A></B>(java.lang.String name)</CODE> |
| |
| <BR> |
| Sets a symbolic name of the query.</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/cayenne/query/QueryChain.html#setRoot(java.lang.Object)">setRoot</A></B>(java.lang.Object root)</CODE> |
| |
| <BR> |
| <B>Deprecated.</B> <I>since 1.2</I></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> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_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>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="chain"><!-- --></A><H3> |
| chain</H3> |
| <PRE> |
| protected java.util.Collection <B>chain</B></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| <HR> |
| |
| <A NAME="name"><!-- --></A><H3> |
| name</H3> |
| <PRE> |
| protected java.lang.String <B>name</B></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_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>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="QueryChain()"><!-- --></A><H3> |
| QueryChain</H3> |
| <PRE> |
| public <B>QueryChain</B>()</PRE> |
| <DL> |
| <DD>Creates an empty QueryChain. |
| <P> |
| </DL> |
| <HR> |
| |
| <A NAME="QueryChain(org.apache.cayenne.query.Query[])"><!-- --></A><H3> |
| QueryChain</H3> |
| <PRE> |
| public <B>QueryChain</B>(<A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A>[] queries)</PRE> |
| <DL> |
| <DD>Creates a new QueryChain out of an array of queries. |
| <P> |
| </DL> |
| <HR> |
| |
| <A NAME="QueryChain(java.util.Collection)"><!-- --></A><H3> |
| QueryChain</H3> |
| <PRE> |
| public <B>QueryChain</B>(java.util.Collection queries)</PRE> |
| <DL> |
| <DD>Creates a new QueryChain with a collection of Queries. |
| <P> |
| </DL> |
| |
| <!-- ============ 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="addQuery(org.apache.cayenne.query.Query)"><!-- --></A><H3> |
| addQuery</H3> |
| <PRE> |
| public void <B>addQuery</B>(<A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A> query)</PRE> |
| <DL> |
| <DD>Adds a query to the chain. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="removeQuery(org.apache.cayenne.query.Query)"><!-- --></A><H3> |
| removeQuery</H3> |
| <PRE> |
| public boolean <B>removeQuery</B>(<A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A> query)</PRE> |
| <DL> |
| <DD>Removes a query from the chain, returning true if the query was indeed present in |
| the chain and was removed. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="isEmpty()"><!-- --></A><H3> |
| isEmpty</H3> |
| <PRE> |
| public boolean <B>isEmpty</B>()</PRE> |
| <DL> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="route(org.apache.cayenne.query.QueryRouter, org.apache.cayenne.map.EntityResolver, org.apache.cayenne.query.Query)"><!-- --></A><H3> |
| route</H3> |
| <PRE> |
| public void <B>route</B>(<A HREF="../../../../org/apache/cayenne/query/QueryRouter.html" title="interface in org.apache.cayenne.query">QueryRouter</A> router, |
| <A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A> resolver, |
| <A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A> substitutedQuery)</PRE> |
| <DL> |
| <DD>Delegates routing to each individual query in the chain. If there is no queries, |
| this method does nothing. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#route(org.apache.cayenne.query.QueryRouter, org.apache.cayenne.map.EntityResolver, org.apache.cayenne.query.Query)">route</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="createSQLAction(org.apache.cayenne.query.SQLActionVisitor)"><!-- --></A><H3> |
| createSQLAction</H3> |
| <PRE> |
| public <A HREF="../../../../org/apache/cayenne/query/SQLAction.html" title="interface in org.apache.cayenne.query">SQLAction</A> <B>createSQLAction</B>(<A HREF="../../../../org/apache/cayenne/query/SQLActionVisitor.html" title="interface in org.apache.cayenne.query">SQLActionVisitor</A> visitor)</PRE> |
| <DL> |
| <DD>Throws an exception as execution should've been delegated to the queries contained |
| in the chain. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#createSQLAction(org.apache.cayenne.query.SQLActionVisitor)">createSQLAction</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getName()"><!-- --></A><H3> |
| getName</H3> |
| <PRE> |
| public java.lang.String <B>getName</B>()</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#getName()">Query</A></CODE></B></DD> |
| <DD>Returns a symbolic name of the query. The name may be used as a key to find queries |
| stored in the DataMap. Some query implementors reuse the name as a QueryMetadata |
| cache key. Generally the name can be null. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#getName()">getName</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setName(java.lang.String)"><!-- --></A><H3> |
| setName</H3> |
| <PRE> |
| public void <B>setName</B>(java.lang.String name)</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#setName(java.lang.String)">Query</A></CODE></B></DD> |
| <DD>Sets a symbolic name of the query. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#setName(java.lang.String)">setName</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getMetaData(org.apache.cayenne.map.EntityResolver)"><!-- --></A><H3> |
| getMetaData</H3> |
| <PRE> |
| public <A HREF="../../../../org/apache/cayenne/query/QueryMetadata.html" title="interface in org.apache.cayenne.query">QueryMetadata</A> <B>getMetaData</B>(<A HREF="../../../../org/apache/cayenne/map/EntityResolver.html" title="class in org.apache.cayenne.map">EntityResolver</A> resolver)</PRE> |
| <DL> |
| <DD>Returns default metadata. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#getMetaData(org.apache.cayenne.map.EntityResolver)">getMetaData</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getRoot()"><!-- --></A><H3> |
| getRoot</H3> |
| <PRE> |
| public java.lang.Object <B>getRoot</B>()</PRE> |
| <DL> |
| <DD><B>Deprecated.</B> <I>since 1.2</I> |
| <P> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#getRoot()">Query</A></CODE></B></DD> |
| <DD>Returns the root object of the query. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#getRoot()">getRoot</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setRoot(java.lang.Object)"><!-- --></A><H3> |
| setRoot</H3> |
| <PRE> |
| public void <B>setRoot</B>(java.lang.Object root)</PRE> |
| <DL> |
| <DD><B>Deprecated.</B> <I>since 1.2</I> |
| <P> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#setRoot(java.lang.Object)">Query</A></CODE></B></DD> |
| <DD>Sets the root of the query. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/query/Query.html#setRoot(java.lang.Object)">setRoot</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/query/Query.html" title="interface in org.apache.cayenne.query">Query</A></CODE></DL> |
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