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From joewitt <...@git.apache.org>
Subject [GitHub] nifi pull request #1323: NIFI-3034 update counter processor and test
Date Tue, 14 Feb 2017 20:47:13 GMT
Github user joewitt commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/1323#discussion_r101139076
  
    --- Diff: nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/UpdateCounter.java
---
    @@ -0,0 +1,131 @@
    +/*
    + * 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.nifi.processors.standard;
    +
    +import org.apache.nifi.annotation.behavior.InputRequirement;
    +import org.apache.nifi.annotation.behavior.ReadsAttribute;
    +import org.apache.nifi.annotation.documentation.CapabilityDescription;
    +import org.apache.nifi.annotation.documentation.Tags;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.flowfile.FlowFile;
    +import org.apache.nifi.logging.ComponentLog;
    +import org.apache.nifi.processor.Relationship;
    +import org.apache.nifi.processor.AbstractProcessor;
    +import org.apache.nifi.processor.ProcessContext;
    +import org.apache.nifi.processor.ProcessSession;
    +import org.apache.nifi.processor.ProcessorInitializationContext;
    +import org.apache.nifi.processor.exception.ProcessException;
    +import org.apache.nifi.processor.util.StandardValidators;
    +
    +import java.util.ArrayList;
    +import java.util.Collections;
    +import java.util.List;
    +import java.util.Set;
    +import java.util.HashSet;
    +
    +/**
    + * Created by onb813 on 11/10/16.
    + */
    +
    +@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
    +@Tags({"counter","tracking","provenance"})
    +@CapabilityDescription("Can update counter value and can get counter value to use")
    +@ReadsAttribute(attribute = "counterName", description = "The name of the counter to
update/get.")
    +public class UpdateCounter extends AbstractProcessor {
    +
    +
    +
    +    public static final PropertyDescriptor CounterName = new PropertyDescriptor.Builder()
    +            .name("CounterName")
    +            .description("The name of the counter you want to set the value off - supports
expression language like ${counterName}")
    +            .required(true)
    +            .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
    +            .expressionLanguageSupported(true)
    +            .build();
    +
    +    //TODO Can this support expression language too?
    --- End diff --
    
    please remove this comment.  If additional feature support is needed later a JIRA/pr can
be opened for it.


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