64 lines
2.2 KiB
Java
64 lines
2.2 KiB
Java
// Copyright (C) 2013 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.server.index;
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import java.sql.Timestamp;
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/** Document field types supported by the secondary index system. */
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public class FieldType<T> {
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/** A single integer-valued field. */
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public static final FieldType<Integer> INTEGER = new FieldType<>("INTEGER");
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/** A single-integer-valued field matched using range queries. */
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public static final FieldType<Integer> INTEGER_RANGE = new FieldType<>("INTEGER_RANGE");
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/** A single integer-valued field. */
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public static final FieldType<Long> LONG = new FieldType<>("LONG");
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/** A single date/time-valued field. */
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public static final FieldType<Timestamp> TIMESTAMP = new FieldType<>("TIMESTAMP");
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/** A string field searched using exact-match semantics. */
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public static final FieldType<String> EXACT = new FieldType<>("EXACT");
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/** A string field searched using prefix. */
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public static final FieldType<String> PREFIX = new FieldType<>("PREFIX");
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/** A string field searched using fuzzy-match semantics. */
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public static final FieldType<String> FULL_TEXT = new FieldType<>("FULL_TEXT");
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/** A field that is only stored as raw bytes and cannot be queried. */
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public static final FieldType<byte[]> STORED_ONLY = new FieldType<>("STORED_ONLY");
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private final String name;
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private FieldType(String name) {
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this.name = name;
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}
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public String getName() {
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return name;
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}
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@Override
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public String toString() {
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return name;
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}
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public static IllegalArgumentException badFieldType(FieldType<?> t) {
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return new IllegalArgumentException("unknown index field type " + t);
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}
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}
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