| // 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 static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.gerrit.server.index.ChangeField.UPDATED; |
| |
| import com.google.gerrit.server.query.QueryParseException; |
| import com.google.gerrit.server.query.change.ChangeData; |
| import com.google.gwtjsonrpc.common.JavaSqlTimestampHelper; |
| |
| import java.sql.Timestamp; |
| import java.util.Date; |
| |
| // TODO: Migrate this to IntegerRangePredicate |
| public abstract class TimestampRangePredicate<I> extends IndexPredicate<I> { |
| @SuppressWarnings({"deprecation", "unchecked"}) |
| protected static FieldDef<ChangeData, Timestamp> updatedField( |
| Schema<ChangeData> schema) { |
| if (schema == null) { |
| return ChangeField.LEGACY_UPDATED; |
| } |
| FieldDef<ChangeData, ?> f = schema.getFields().get(UPDATED.getName()); |
| if (f == null) { |
| f = schema.getFields().get(ChangeField.LEGACY_UPDATED.getName()); |
| checkNotNull(f, "schema missing updated field, found: %s", schema); |
| } |
| checkArgument(f.getType() == FieldType.TIMESTAMP, |
| "expected %s to be TIMESTAMP, found %s", f.getName(), f.getType()); |
| return (FieldDef<ChangeData, Timestamp>) f; |
| } |
| |
| protected static Timestamp parse(String value) throws QueryParseException { |
| try { |
| return JavaSqlTimestampHelper.parseTimestamp(value); |
| } catch (IllegalArgumentException e) { |
| // parseTimestamp's errors are specific and helpful, so preserve them. |
| throw new QueryParseException(e.getMessage(), e); |
| } |
| } |
| |
| protected TimestampRangePredicate(FieldDef<I, Timestamp> def, |
| String name, String value) { |
| super(def, name, value); |
| } |
| |
| public abstract Date getMinTimestamp(); |
| public abstract Date getMaxTimestamp(); |
| |
| @Override |
| public int getCost() { |
| return 1; |
| } |
| } |