/* * Copyright 2013 Nokia Corporation * * 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.nokia.util.avro.schemagen; import com.nokia.util.avro.types.AvroPrimitive; import com.nokia.util.avro.types.AvroRecord; import com.nokia.util.avro.types.AvroType; import org.codehaus.jackson.annotate.JsonValue; import java.util.Collections; import java.util.Set; /** * @author Ben Fagin (Nokia) * @version 02-03-2012 * * A special type supporting dates. * The dates are intended to be stored as long values, as milliseconds in UTC time. */ public class DateAvroType extends AvroType { public static final String name = "_Date"; public final String namespace; public DateAvroType(String namespace) { this.namespace = namespace; } @JsonValue public String jsonValue() { return namespace + "." + name; } @Override public Set<String> getDependencies() { return Collections.emptySet(); } public static AvroRecord getSchema(String namespace) { AvroType type = AvroPrimitive.PrimitiveType.LONG.newInstance(); AvroRecord record = new AvroRecord(); record.addField("timestamp", type, type.getDefaultValue()); record.setDocs("A date stored as a timestamp, in ms UTC."); record.name = name; record.namespace = namespace; return record; } }