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基于mondrian 开源框架进行OLAP多维分析

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<TD><CODE><A HREF="../../mondrian/olap/Exp.html#unparse(java.io.PrintWriter)">unparse</A></CODE></TD>
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<A NAME="LevelExpr(mondrian.olap.Level)"><!-- --></A><H3>
LevelExpr</H3>
<PRE>
public <B>LevelExpr</B>(<A HREF="../../mondrian/olap/Level.html" title="interface in mondrian.olap">Level</A>&nbsp;level)</PRE>
<DL>
<DD>Creates a level expression.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>level</CODE> - Level<DT><B>Pre-condition:</B></DT>
  <DD>level != null</DD>
</DL>
</DL>

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<A NAME="getLevel()"><!-- --></A><H3>
getLevel</H3>
<PRE>
public <A HREF="../../mondrian/olap/Level.html" title="interface in mondrian.olap">Level</A> <B>getLevel</B>()</PRE>
<DL>
<DD>Returns the level.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Post-condition:</B></DT>
  <DD>return != null</DD>
</DL>
</DD>
</DL>
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<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
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<A NAME="getType()"><!-- --></A><H3>
getType</H3>
<PRE>
public <A HREF="../../mondrian/olap/type/Type.html" title="interface in mondrian.olap.type">Type</A> <B>getType</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../mondrian/olap/Exp.html#getType()">Exp</A></CODE></B></DD>
<DD>Returns the type of this expression. Never null.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/Exp.html#getType()">getType</A></CODE> in interface <CODE><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public <A HREF="../../mondrian/mdx/LevelExpr.html" title="class in mondrian.mdx">LevelExpr</A> <B>clone</B>()</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/Exp.html#clone()">clone</A></CODE> in interface <CODE><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/ExpBase.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../mondrian/olap/ExpBase.html" title="class in mondrian.olap">ExpBase</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getCategory()"><!-- --></A><H3>
getCategory</H3>
<PRE>
public int <B>getCategory</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../mondrian/olap/Exp.html#getCategory()">Exp</A></CODE></B></DD>
<DD>Returns the <A HREF="../../mondrian/olap/Category.html" title="class in mondrian.olap"><CODE>Category</CODE></A> of the expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/Exp.html#getCategory()">getCategory</A></CODE> in interface <CODE><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="accept(mondrian.olap.Validator)"><!-- --></A><H3>
accept</H3>
<PRE>
public <A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A> <B>accept</B>(<A HREF="../../mondrian/olap/Validator.html" title="interface in mondrian.olap">Validator</A>&nbsp;validator)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../mondrian/olap/Exp.html#accept(mondrian.olap.Validator)">Exp</A></CODE></B></DD>
<DD>Validates this expression.

 The validator acts in the role of 'visitor' (see Gang of Four
 'visitor pattern'), and an expression in the role of 'visitee'.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/Exp.html#accept(mondrian.olap.Validator)">accept</A></CODE> in interface <CODE><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>validator</CODE> - Validator contains validation context
<DT><B>Returns:</B><DD>The validated expression; often but not always the same as
   this expression</DL>
</DD>
</DL>
<HR>

<A NAME="accept(mondrian.calc.ExpCompiler)"><!-- --></A><H3>
accept</H3>
<PRE>
public <A HREF="../../mondrian/calc/Calc.html" title="interface in mondrian.calc">Calc</A> <B>accept</B>(<A HREF="../../mondrian/calc/ExpCompiler.html" title="interface in mondrian.calc">ExpCompiler</A>&nbsp;compiler)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../mondrian/olap/Exp.html#accept(mondrian.calc.ExpCompiler)">Exp</A></CODE></B></DD>
<DD>Converts this expression into an a tree of expressions which can be
 efficiently evaluated.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/Exp.html#accept(mondrian.calc.ExpCompiler)">accept</A></CODE> in interface <CODE><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../mondrian/olap/ExpBase.html#accept(mondrian.calc.ExpCompiler)">accept</A></CODE> in class <CODE><A HREF="../../mondrian/olap/ExpBase.html" title="class in mondrian.olap">ExpBase</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A compiled expression</DL>
</DD>
</DL>
<HR>

<A NAME="accept(mondrian.mdx.MdxVisitor)"><!-- --></A><H3>
accept</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>accept</B>(<A HREF="../../mondrian/mdx/MdxVisitor.html" title="interface in mondrian.mdx">MdxVisitor</A>&nbsp;visitor)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../mondrian/olap/Exp.html#accept(mondrian.mdx.MdxVisitor)">Exp</A></CODE></B></DD>
<DD>Accepts a visitor to this Exp.
 The implementation should generally dispatches to the
 <A HREF="../../mondrian/mdx/MdxVisitor.html#visit(mondrian.olap.Query)"><CODE>MdxVisitor.visit(mondrian.olap.Query)</CODE></A> method appropriate to the type of expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../mondrian/olap/Exp.html#accept(mondrian.mdx.MdxVisitor)">accept</A></CODE> in interface <CODE><A HREF="../../mondrian/olap/Exp.html" title="interface in mondrian.olap">Exp</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>visitor</CODE> - Visitor</DL>
</DD>
</DL>
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