/**
* Licensed to DigitalPebble Ltd under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* DigitalPebble 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 com.digitalpebble.storm.crawler;
public class Constants {
public static final String PARTITION_MODEParamName = "partition.url.mode";
public static final String PARTITION_MODE_HOST = "byHost";
public static final String PARTITION_MODE_DOMAIN = "byDomain";
public static final String PARTITION_MODE_IP = "byIP";
public static final String STATUS_ERROR_MESSAGE = "error.message";
public static final String STATUS_ERROR_SOURCE = "error.source";
// used to determine how many URLs from the same domain should be allowed
// before we block the URLs
public static final String maxLiveURLsPerQueueParamName = "BlockingURLSpout.maxLiveURLsPerQueue";
public static final String keySleepTimeParamName = "BlockingURLSpout.sleepTime";
public static final String StatusStreamName = "status";
public static final String AllowRedirParamName = "redirections.allowed";
// when to retry a URL with a fetch error
public static final String fetchErrorFetchIntervalParamName = "fetchInterval.fetch.error";
// when to retry a URL with an error, i.e. something very wrong with it
// set a very large value so that it does not get refetched soon
public static final String errorFetchIntervalParamName = "fetchInterval.error";
// when to retry a successful URL by default
public static final String defaultFetchIntervalParamName = "fetchInterval.default";
}