/*
* 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.IndexReader; // javadocs
import org.apache.lucene.search.IndexSearcher; // javadocs
import org.apache.lucene.util.BytesRef;
A field whose value is stored so that IndexSearcher.doc
and IndexReader.document()
will return the field and its value. /** A field whose value is stored so that {@link
* IndexSearcher#doc} and {@link IndexReader#document IndexReader.document()} will
* return the field and its value. */
public class StoredField extends Field {
Type for a stored-only field.
/**
* Type for a stored-only field.
*/
public final static FieldType TYPE;
static {
TYPE = new FieldType();
TYPE.setStored(true);
TYPE.freeze();
}
Expert: allows you to customize the FieldType
. Params: - name – field name
- type – custom
FieldType
for this field
Throws: - IllegalArgumentException – if the field name or type
is null.
/**
* Expert: allows you to customize the {@link
* FieldType}.
* @param name field name
* @param type custom {@link FieldType} for this field
* @throws IllegalArgumentException if the field name or type
* is null.
*/
protected StoredField(String name, FieldType type) {
super(name, type);
}
Expert: allows you to customize the FieldType
. NOTE: the provided byte[] is not copied so be sure
not to change it until you're done with this field.
Params: - name – field name
- bytes – byte array pointing to binary content (not copied)
- type – custom
FieldType
for this field
Throws: - IllegalArgumentException – if the field name, value or type
is null.
/**
* Expert: allows you to customize the {@link
* FieldType}.
* <p>NOTE: the provided byte[] is not copied so be sure
* not to change it until you're done with this field.
* @param name field name
* @param bytes byte array pointing to binary content (not copied)
* @param type custom {@link FieldType} for this field
* @throws IllegalArgumentException if the field name, value or type
* is null.
*/
public StoredField(String name, BytesRef bytes, FieldType type) {
super(name, bytes, type);
}
Create a stored-only field with the given binary value.
NOTE: the provided byte[] is not copied so be sure
not to change it until you're done with this field.
Params: - name – field name
- value – byte array pointing to binary content (not copied)
Throws: - IllegalArgumentException – if the field name or value
is null.
/**
* Create a stored-only field with the given binary value.
* <p>NOTE: the provided byte[] is not copied so be sure
* not to change it until you're done with this field.
* @param name field name
* @param value byte array pointing to binary content (not copied)
* @throws IllegalArgumentException if the field name or value
* is null.
*/
public StoredField(String name, byte[] value) {
super(name, value, TYPE);
}
Create a stored-only field with the given binary value.
NOTE: the provided byte[] is not copied so be sure
not to change it until you're done with this field.
Params: - name – field name
- value – byte array pointing to binary content (not copied)
- offset – starting position of the byte array
- length – valid length of the byte array
Throws: - IllegalArgumentException – if the field name or value
is null.
/**
* Create a stored-only field with the given binary value.
* <p>NOTE: the provided byte[] is not copied so be sure
* not to change it until you're done with this field.
* @param name field name
* @param value byte array pointing to binary content (not copied)
* @param offset starting position of the byte array
* @param length valid length of the byte array
* @throws IllegalArgumentException if the field name or value
* is null.
*/
public StoredField(String name, byte[] value, int offset, int length) {
super(name, value, offset, length, TYPE);
}
Create a stored-only field with the given binary value.
NOTE: the provided BytesRef is not copied so be sure
not to change it until you're done with this field.
Params: - name – field name
- value – BytesRef pointing to binary content (not copied)
Throws: - IllegalArgumentException – if the field name or value
is null.
/**
* Create a stored-only field with the given binary value.
* <p>NOTE: the provided BytesRef is not copied so be sure
* not to change it until you're done with this field.
* @param name field name
* @param value BytesRef pointing to binary content (not copied)
* @throws IllegalArgumentException if the field name or value
* is null.
*/
public StoredField(String name, BytesRef value) {
super(name, value, TYPE);
}
Create a stored-only field with the given string value.
Params: - name – field name
- value – string value
Throws: - IllegalArgumentException – if the field name or value
is null.
/**
* Create a stored-only field with the given string value.
* @param name field name
* @param value string value
* @throws IllegalArgumentException if the field name or value
* is null.
*/
public StoredField(String name, String value) {
super(name, value, TYPE);
}
Expert: allows you to customize the FieldType
. Params: - name – field name
- value – string value
- type – custom
FieldType
for this field
Throws: - IllegalArgumentException – if the field name, value or type
is null.
/**
* Expert: allows you to customize the {@link
* FieldType}.
* @param name field name
* @param value string value
* @param type custom {@link FieldType} for this field
* @throws IllegalArgumentException if the field name, value or type
* is null.
*/
public StoredField(String name, String value, FieldType type) {
super(name, value, type);
}
Expert: allows you to customize the FieldType
. Params: - name – field name
- value – CharSequence value
- type – custom
FieldType
for this field
Throws: - IllegalArgumentException – if the field name, value or type
is null.
/**
* Expert: allows you to customize the {@link
* FieldType}.
* @param name field name
* @param value CharSequence value
* @param type custom {@link FieldType} for this field
* @throws IllegalArgumentException if the field name, value or type
* is null.
*/
public StoredField(String name, CharSequence value, FieldType type) {
super(name, value, type);
}
// TODO: not great but maybe not a big problem?
Create a stored-only field with the given integer value.
Params: - name – field name
- value – integer value
Throws: - IllegalArgumentException – if the field name is null.
/**
* Create a stored-only field with the given integer value.
* @param name field name
* @param value integer value
* @throws IllegalArgumentException if the field name is null.
*/
public StoredField(String name, int value) {
super(name, TYPE);
fieldsData = value;
}
Create a stored-only field with the given float value.
Params: - name – field name
- value – float value
Throws: - IllegalArgumentException – if the field name is null.
/**
* Create a stored-only field with the given float value.
* @param name field name
* @param value float value
* @throws IllegalArgumentException if the field name is null.
*/
public StoredField(String name, float value) {
super(name, TYPE);
fieldsData = value;
}
Create a stored-only field with the given long value.
Params: - name – field name
- value – long value
Throws: - IllegalArgumentException – if the field name is null.
/**
* Create a stored-only field with the given long value.
* @param name field name
* @param value long value
* @throws IllegalArgumentException if the field name is null.
*/
public StoredField(String name, long value) {
super(name, TYPE);
fieldsData = value;
}
Create a stored-only field with the given double value.
Params: - name – field name
- value – double value
Throws: - IllegalArgumentException – if the field name is null.
/**
* Create a stored-only field with the given double value.
* @param name field name
* @param value double value
* @throws IllegalArgumentException if the field name is null.
*/
public StoredField(String name, double value) {
super(name, TYPE);
fieldsData = value;
}
}