// 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.server.index;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.gerrit.server.query.change.ChangeData;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
/** Secondary index schemas for changes. */
public class ChangeSchemas {
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V1 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.LEGACY_UPDATED,
ChangeField.LEGACY_SORTKEY,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT);
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V2 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.LEGACY_UPDATED,
ChangeField.LEGACY_SORTKEY,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL);
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V3 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.LEGACY_UPDATED,
ChangeField.SORTKEY,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL);
// For upgrade to Lucene 4.4.0 index format only.
static final Schema<ChangeData> V4 = release(V3.getFields().values());
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V5 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.LEGACY_UPDATED,
ChangeField.SORTKEY,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL,
ChangeField.MERGEABLE);
// For upgrade to Lucene 4.6.0 index format only.
static final Schema<ChangeData> V6 = release(V5.getFields().values());
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V7 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.LEGACY_UPDATED,
ChangeField.SORTKEY,
ChangeField.FILE_PART,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL,
ChangeField.MERGEABLE);
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V8 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.UPDATED,
ChangeField.FILE_PART,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL,
ChangeField.MERGEABLE);
@SuppressWarnings("deprecation")
static final Schema<ChangeData> V9 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.PROJECTS,
ChangeField.REF,
ChangeField.LEGACY_TOPIC,
ChangeField.UPDATED,
ChangeField.FILE_PART,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL,
ChangeField.MERGEABLE);
static final Schema<ChangeData> V10 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.PROJECTS,
ChangeField.REF,
ChangeField.TOPIC,
ChangeField.UPDATED,
ChangeField.FILE_PART,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL,
ChangeField.MERGEABLE);
static final Schema<ChangeData> V11 = release(
ChangeField.LEGACY_ID,
ChangeField.ID,
ChangeField.STATUS,
ChangeField.PROJECT,
ChangeField.PROJECTS,
ChangeField.REF,
ChangeField.TOPIC,
ChangeField.UPDATED,
ChangeField.FILE_PART,
ChangeField.PATH,
ChangeField.OWNER,
ChangeField.REVIEWER,
ChangeField.COMMIT,
ChangeField.TR,
ChangeField.LABEL,
ChangeField.REVIEWED,
ChangeField.COMMIT_MESSAGE,
ChangeField.COMMENT,
ChangeField.CHANGE,
ChangeField.APPROVAL,
ChangeField.MERGEABLE,
ChangeField.ADDED,
ChangeField.DELETED,
ChangeField.DELTA);
private static Schema<ChangeData> release(Collection<FieldDef<ChangeData, ?>> fields) {
return new Schema<>(true, fields);
}
@SafeVarargs
private static Schema<ChangeData> release(FieldDef<ChangeData, ?>... fields) {
return release(Arrays.asList(fields));
}
@SafeVarargs
@SuppressWarnings("unused")
private static Schema<ChangeData> developer(FieldDef<ChangeData, ?>... fields) {
return new Schema<>(false, Arrays.asList(fields));
}
public static final ImmutableMap<Integer, Schema<ChangeData>> ALL;
public static Schema<ChangeData> get(int version) {
Schema<ChangeData> schema = ALL.get(version);
checkArgument(schema != null, "Unrecognized schema version: %s", version);
return schema;
}
public static Schema<ChangeData> getLatest() {
return Iterables.getLast(ALL.values());
}
static {
Map<Integer, Schema<ChangeData>> all = Maps.newTreeMap();
for (Field f : ChangeSchemas.class.getDeclaredFields()) {
if (Modifier.isStatic(f.getModifiers())
&& Modifier.isFinal(f.getModifiers())
&& Schema.class.isAssignableFrom(f.getType())) {
ParameterizedType t = (ParameterizedType) f.getGenericType();
if (t.getActualTypeArguments()[0] == ChangeData.class) {
try {
@SuppressWarnings("unchecked")
Schema<ChangeData> schema = (Schema<ChangeData>) f.get(null);
checkArgument(f.getName().startsWith("V"));
schema.setVersion(Integer.parseInt(f.getName().substring(1)));
all.put(schema.getVersion(), schema);
} catch (IllegalArgumentException e) {
throw new ExceptionInInitializerError(e);
} catch (IllegalAccessException e) {
throw new ExceptionInInitializerError(e);
}
} else {
throw new ExceptionInInitializerError(
"non-ChangeData schema: " + f);
}
}
}
if (all.isEmpty()) {
throw new ExceptionInInitializerError("no ChangeSchemas found");
}
ALL = ImmutableMap.copyOf(all);
}
}