ai.platon.pulsar.persist.metadata.CrawlStatusCodes.kt Maven / Gradle / Ivy
/*******************************************************************************
* 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 ai.platon.pulsar.persist.metadata
interface CrawlStatusCodes {
companion object {
/**
* Page was not fetched yet.
*/
const val UNFETCHED: Byte = 0x01
/**
* Page was successfully fetched.
*/
const val FETCHED: Byte = 0x02
/**
* Page no longer exists.
*/
const val GONE: Byte = 0x03
/**
* Page temporarily redirects to other page.
*/
const val REDIR_TEMP: Byte = 0x04
/**
* Page permanently redirects to other page.
*/
const val REDIR_PERM: Byte = 0x05
/**
* Fetching unsuccessful, needs to be retried (transient errors).
*/
const val RETRY: Byte = 0x22
/**
* Fetching successful - page is not modified.
*/
const val NOTMODIFIED: Byte = 0x26
}
}