field.index.html

来自「 Lucene是apache软件基金会[4] jakarta项目组的一个子项目」· HTML 代码 · 共 324 行 · 第 1/2 页

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<TD><B>Methods inherited from class org.apache.lucene.util.<A HREF="../../../../org/apache/lucene/util/Parameter.html" title="class in org.apache.lucene.util">Parameter</A></B></TD>
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<TD><CODE><A HREF="../../../../org/apache/lucene/util/Parameter.html#readResolve()">readResolve</A>, <A HREF="../../../../org/apache/lucene/util/Parameter.html#toString()">toString</A></CODE></TD>
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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="NO"><!-- --></A><H3>
NO</H3>
<PRE>
public static final <A HREF="../../../../org/apache/lucene/document/Field.Index.html" title="class in org.apache.lucene.document">Field.Index</A> <B>NO</B></PRE>
<DL>
<DD>Do not index the field value. This field can thus not be searched,
 but one can still access its contents provided it is
 <A HREF="../../../../org/apache/lucene/document/Field.Store.html" title="class in org.apache.lucene.document"><CODE>stored</CODE></A>.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="TOKENIZED"><!-- --></A><H3>
TOKENIZED</H3>
<PRE>
public static final <A HREF="../../../../org/apache/lucene/document/Field.Index.html" title="class in org.apache.lucene.document">Field.Index</A> <B>TOKENIZED</B></PRE>
<DL>
<DD>Index the field's value so it can be searched. An Analyzer will be used
 to tokenize and possibly further normalize the text before its
 terms will be stored in the index. This is useful for common text.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="UN_TOKENIZED"><!-- --></A><H3>
UN_TOKENIZED</H3>
<PRE>
public static final <A HREF="../../../../org/apache/lucene/document/Field.Index.html" title="class in org.apache.lucene.document">Field.Index</A> <B>UN_TOKENIZED</B></PRE>
<DL>
<DD>Index the field's value without using an Analyzer, so it can be searched.
 As no analyzer is used the value will be stored as a single term. This is
 useful for unique Ids like product numbers.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="NO_NORMS"><!-- --></A><H3>
NO_NORMS</H3>
<PRE>
public static final <A HREF="../../../../org/apache/lucene/document/Field.Index.html" title="class in org.apache.lucene.document">Field.Index</A> <B>NO_NORMS</B></PRE>
<DL>
<DD>Index the field's value without an Analyzer, and disable
 the storing of norms.  No norms means that index-time boosting
 and field length normalization will be disabled.  The benefit is
 less memory usage as norms take up one byte per indexed field
 for every document in the index.
 Note that once you index a given field <i>with</i> norms enabled,
 disabling norms will have no effect.  In other words, for NO_NORMS
 to have the above described effect on a field, all instances of that
 field must be indexed with NO_NORMS from the beginning.
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