Current File : //home/waritko/yacy/source/net/yacy/kelondro/workflow/WorkflowTask.java
// WorkflowTask.java
// ---------------------------
// Copyright 2018 by luccioman; https://github.com/luccioman
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package net.yacy.kelondro.workflow;
/**
* A workflow task to be processed by a {@link WorkflowProcessor}.
*
* @author luccioman
* @param <ENTRY>
* the workflow entry type to be processed
*
*/
public interface WorkflowTask<ENTRY> {
/**
* Process a single workflow entry and eventually return the entry to be
* processed by the next processor in the workflow
*
* @param in
* the workflow entry
* @return an entry for the next processor or null
* @throws Exception
* when an error occurred
*/
ENTRY process(final ENTRY in) throws Exception;
}
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