001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.pipeline.driver;
019    
020    /**
021     * Stores the failure tolerance flag for a worker thread. If faultTolerance
022     * is set to CHECKED, {@link org.apache.commons.pipeline.StageException StageException}s thrown by
023     * the {@link org.apache.commons.pipeline.Stage#process(Object)} method will not interrupt queue
024     * processing, but will simply be logged with a severity of ERROR.
025     * If faultTolerance is set to ALL, runtime exceptions will also be
026     * logged and otherwise ignored.
027     *
028     *
029     */
030    public enum FaultTolerance {
031        /**
032         * {@link org.apache.commons.pipeline.StageException StageException}s thrown by
033         * the {@link org.apache.commons.pipeline.Stage#process(Object)} method will interrupt queue
034         * processing and will be logged with a severity of ERROR.
035         */
036        NONE, 
037        /**
038         * {@link org.apache.commons.pipeline.StageException StageException}s thrown by
039         * the {@link org.apache.commons.pipeline.Stage#process(Object)} method will not interrupt queue
040         * processing, but will simply be logged with a severity of ERROR.
041         */
042        CHECKED, 
043        /**
044         * If faultTolerance is set to ALL, runtime exceptions will be
045         * logged and otherwise ignored.
046         */
047        ALL;
048    }