kafka Timestamp 源码
kafka Timestamp 代码
文件路径：/connect/api/src/main/java/org/apache/kafka/connect/data/Timestamp.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.kafka.connect.data;
import org.apache.kafka.connect.errors.DataException;
/**
* <p>
* A timestamp representing an absolute time, without timezone information. The corresponding Java type is a
* java.util.Date. The underlying representation is a long representing the number of milliseconds since Unix epoch.
* </p>
*/
public class Timestamp {
public static final String LOGICAL_NAME = "org.apache.kafka.connect.data.Timestamp";
/**
* Returns a SchemaBuilder for a Timestamp. By returning a SchemaBuilder you can override additional schema settings such
* as required/optional, default value, and documentation.
* @return a SchemaBuilder
*/
public static SchemaBuilder builder() {
return SchemaBuilder.int64()
.name(LOGICAL_NAME)
.version(1);
}
public static final Schema SCHEMA = builder().schema();
/**
* Convert a value from its logical format (Date) to it's encoded format.
* @param value the logical value
* @return the encoded value
*/
public static long fromLogical(Schema schema, java.util.Date value) {
if (!(LOGICAL_NAME.equals(schema.name())))
throw new DataException("Requested conversion of Timestamp object but the schema does not match.");
return value.getTime();
}
public static java.util.Date toLogical(Schema schema, long value) {
if (!(LOGICAL_NAME.equals(schema.name())))
throw new DataException("Requested conversion of Timestamp object but the schema does not match.");
return new java.util.Date(value);
}
}
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