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From: steveblackmon <git@git.apache.org>
To: dev@streams.incubator.apache.org
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References: <git-pr-150-incubator-streams@git.apache.org>
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Subject: [GitHub] incubator-streams pull request: Streams 218 - General
 Purpose Acti...
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Message-Id: <20141211195411.1C2D7A27212@tyr.zones.apache.org>
Date: Thu, 11 Dec 2014 19:54:11 +0000 (UTC)

Github user steveblackmon commented on a diff in the pull request:

    https://github.com/apache/incubator-streams/pull/150#discussion_r21704282
  
    --- Diff: streams-components/streams-converters/src/main/java/org/apache/streams/converter/ActivityConverterProcessor.java ---
    @@ -0,0 +1,260 @@
    +/*
    +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.streams.converter;
    +
    +import com.google.common.base.Preconditions;
    +import com.google.common.collect.Lists;
    +import com.google.common.collect.Maps;
    +import com.google.common.collect.Sets;
    +import org.apache.streams.core.StreamsDatum;
    +import org.apache.streams.core.StreamsProcessor;
    +import org.apache.streams.core.util.DatumUtils;
    +import org.apache.streams.data.ActivityConverter;
    +import org.apache.streams.data.DocumentClassifier;
    +import org.apache.streams.data.util.ActivityUtil;
    +import org.apache.streams.exceptions.ActivityConversionException;
    +import org.apache.streams.pojo.json.Activity;
    +import org.reflections.Reflections;
    +import org.reflections.util.ClasspathHelper;
    +import org.reflections.util.ConfigurationBuilder;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Set;
    +
    +/**
    + * ActivityConverterProcessor is a utility processor for converting any datum document
    + * to an Activity.
    + *
    + * By default it will handle string json and objectnode representation of existing Activities.
    + *
    + * Implementations can add DocumentClassifiers and ActivityConverterResolvers to the processor
    + * to ensure additional ActivityConverters will be resolved and applied.
    + *
    + * A DocumentClassifier's reponsibility is to recognize document formats and label them, using
    + * a jackson-compatible POJO class.
    + *
    + * An ActivityConverterResolver's reponsibility is to identify ActivityConverter implementations
    + * capable of converting a raw document associated with that POJO class into an activity.
    + *
    + */
    +public class ActivityConverterProcessor implements StreamsProcessor {
    +
    +    private final static Logger LOGGER = LoggerFactory.getLogger(ActivityConverterProcessor.class);
    +
    +    private List<DocumentClassifier> classifiers;
    +    private List<ActivityConverter> converters;
    +
    +    private ActivityConverterProcessorConfiguration configuration;
    +
    +    public ActivityConverterProcessor() {
    +        this.classifiers = Lists.newArrayList();
    +        this.converters = Lists.newArrayList();
    +    }
    +
    +    public ActivityConverterProcessor(ActivityConverterProcessorConfiguration configuration) {
    +        this.classifiers = Lists.newArrayList();
    +        this.converters = Lists.newArrayList();
    +        this.configuration = configuration;
    +    }
    +
    +    @Override
    +    public List<StreamsDatum> process(StreamsDatum entry) {
    --- End diff --
    
    yes


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