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org.apache.lucene.document
public static final class: Field.Index [javadoc | source]

java.lang.Object
   org.apache.lucene.util.Parameter
      org.apache.lucene.document.Field$Index

All Implemented Interfaces:
    Serializable

Specifies whether and how a field should be indexed.

Field Summary
public static final  Field.Index	NO	Do not index the field value. This field can thus not be searched, but one can still access its contents provided it is stored .
public static final  Field.Index	TOKENIZED	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.
public static final  Field.Index	UN_TOKENIZED	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.
public static final  Field.Index	NO_NORMS	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 with 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.

Fields inherited from org.apache.lucene.util.Parameter:
allParameters

Methods from org.apache.lucene.util.Parameter:
readResolve,   toString

Methods from java.lang.Object:
equals,   getClass,   hashCode,   notify,   notifyAll,   toString,   wait,   wait,   wait