1 files changed, 63 insertions, 0 deletions
diff --git a/gerrit-index/src/main/java/com/google/gerrit/index/FieldType.java b/gerrit-index/src/main/java/com/google/gerrit/index/FieldType.java
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+// Copyright (C) 2013 The Android Open Source Project
+//
+// Licensed 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 com.google.gerrit.index;
+
+import java.sql.Timestamp;
+
+/** Document field types supported by the secondary index system. */
+public class FieldType<T> {
+  /** A single integer-valued field. */
+  public static final FieldType<Integer> INTEGER = new FieldType<>("INTEGER");
+
+  /** A single-integer-valued field matched using range queries. */
+  public static final FieldType<Integer> INTEGER_RANGE = new FieldType<>("INTEGER_RANGE");
+
+  /** A single integer-valued field. */
+  public static final FieldType<Long> LONG = new FieldType<>("LONG");
+
+  /** A single date/time-valued field. */
+  public static final FieldType<Timestamp> TIMESTAMP = new FieldType<>("TIMESTAMP");
+
+  /** A string field searched using exact-match semantics. */
+  public static final FieldType<String> EXACT = new FieldType<>("EXACT");
+
+  /** A string field searched using prefix. */
+  public static final FieldType<String> PREFIX = new FieldType<>("PREFIX");
+
+  /** A string field searched using fuzzy-match semantics. */
+  public static final FieldType<String> FULL_TEXT = new FieldType<>("FULL_TEXT");
+
+  /** A field that is only stored as raw bytes and cannot be queried. */
+  public static final FieldType<byte[]> STORED_ONLY = new FieldType<>("STORED_ONLY");
+
+  private final String name;
+
+  private FieldType(String name) {
+    this.name = name;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  @Override
+  public String toString() {
+    return name;
+  }
+
+  public static IllegalArgumentException badFieldType(FieldType<?> t) {
+    return new IllegalArgumentException("unknown index field type " + t);
+  }
+}