/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.lucene.document;
import org.apache.lucene.index.IndexOptions;
import org.apache.lucene.util.BytesRef;
A field that is indexed but not tokenized: the entire String value is indexed as a single token. For example this might be used for a 'country' field or an 'id' field. If you also need to sort on this field, separately add a SortedDocValuesField
to your document. /** A field that is indexed but not tokenized: the entire
* String value is indexed as a single token. For example
* this might be used for a 'country' field or an 'id'
* field. If you also need to sort on this field, separately
* add a {@link SortedDocValuesField} to your document. */
public final class StringField extends Field {
Indexed, not tokenized, omits norms, indexes
DOCS_ONLY, not stored. /** Indexed, not tokenized, omits norms, indexes
* DOCS_ONLY, not stored. */
public static final FieldType TYPE_NOT_STORED = new FieldType();
Indexed, not tokenized, omits norms, indexes
DOCS_ONLY, stored /** Indexed, not tokenized, omits norms, indexes
* DOCS_ONLY, stored */
public static final FieldType TYPE_STORED = new FieldType();
static {
TYPE_NOT_STORED.setOmitNorms(true);
TYPE_NOT_STORED.setIndexOptions(IndexOptions.DOCS);
TYPE_NOT_STORED.setTokenized(false);
TYPE_NOT_STORED.freeze();
TYPE_STORED.setOmitNorms(true);
TYPE_STORED.setIndexOptions(IndexOptions.DOCS);
TYPE_STORED.setStored(true);
TYPE_STORED.setTokenized(false);
TYPE_STORED.freeze();
}
Creates a new textual StringField, indexing the provided String value
as a single token.
@param name field name
@param value String value
@param stored Store.YES if the content should also be stored
@throws IllegalArgumentException if the field name or value is null.
/** Creates a new textual StringField, indexing the provided String value
* as a single token.
*
* @param name field name
* @param value String value
* @param stored Store.YES if the content should also be stored
* @throws IllegalArgumentException if the field name or value is null.
*/
public StringField(String name, String value, Store stored) {
super(name, value, stored == Store.YES ? TYPE_STORED : TYPE_NOT_STORED);
}
Creates a new binary StringField, indexing the provided binary (BytesRef)
value as a single token.
@param name field name
@param value BytesRef value. The provided value is not cloned so
you must not change it until the document(s) holding it
have been indexed.
@param stored Store.YES if the content should also be stored
@throws IllegalArgumentException if the field name or value is null.
/** Creates a new binary StringField, indexing the provided binary (BytesRef)
* value as a single token.
*
* @param name field name
* @param value BytesRef value. The provided value is not cloned so
* you must not change it until the document(s) holding it
* have been indexed.
* @param stored Store.YES if the content should also be stored
* @throws IllegalArgumentException if the field name or value is null.
*/
public StringField(String name, BytesRef value, Store stored) {
super(name, value, stored == Store.YES ? TYPE_STORED : TYPE_NOT_STORED);
}
}