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From KayLerch <...@git.apache.org>
Subject [GitHub] nifi pull request #349: NIFI-1767 AWS IoT processors
Date Wed, 01 Jun 2016 18:55:35 GMT
Github user KayLerch commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/349#discussion_r65421271
  
    --- Diff: nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/iot/AbstractAWSIoTProcessor.java
---
    @@ -0,0 +1,230 @@
    +/*
    + * 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.aws.iot;
    +
    +import com.amazonaws.ClientConfiguration;
    +import com.amazonaws.auth.AWSCredentials;
    +import com.amazonaws.auth.AWSCredentialsProvider;
    +import com.amazonaws.services.iot.AWSIotClient;
    +import org.apache.commons.lang3.RandomStringUtils;
    +import org.apache.nifi.annotation.lifecycle.OnStopped;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.processor.ProcessContext;
    +import org.apache.nifi.processor.util.StandardValidators;
    +import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
    +import org.apache.nifi.processors.aws.iot.util.AWS4Signer;
    +import org.apache.nifi.processors.aws.iot.util.MqttWebSocketAsyncClient;
    +import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
    +import org.eclipse.paho.client.mqttv3.MqttException;
    +
    +import java.util.Date;
    +import java.util.concurrent.TimeUnit;
    +
    +public abstract class AbstractAWSIoTProcessor extends AbstractAWSCredentialsProviderProcessor<AWSIotClient>
{
    +    static final String PROP_NAME_ENDPOINT = "aws.iot.endpoint";
    +    static final String PROP_NAME_CLIENT = "aws.iot.mqtt.client";
    +    static final String PROP_NAME_KEEPALIVE = "aws.iot.mqtt.keepalive";
    +    static final String PROP_NAME_TOPIC = "aws.iot.mqtt.topic";
    +    static final String PROP_NAME_QOS = "aws.iot.mqtt.qos";
    +    /**
    +     * Amazon's current service limit on websocket connection duration
    +     */
    +    static final Integer PROP_DEFAULT_KEEPALIVE = 60 * 60 * 24;
    +    /**
    +     * When to start indicating the need for connection renewal (in seconds before actual
termination)
    +     */
    +    static final Integer DEFAULT_CONNECTION_RENEWAL_BEFORE_KEEP_ALIVE_EXPIRATION = 20;
    +    static final String PROP_DEFAULT_CLIENT = AbstractAWSIoTProcessor.class.getSimpleName();
    +    /**
    +     * Default QoS level for message delivery
    +     */
    +    static final Integer DEFAULT_QOS = 0;
    +    String awsTopic;
    +    int awsQos;
    +    MqttWebSocketAsyncClient mqttClient;
    +    String awsEndpoint;
    +    String awsClientId;
    +
    +    private String awsRegion;
    +    private Integer awsKeepAliveSeconds;
    +    private Date dtLastConnect;
    +
    +    public static final PropertyDescriptor PROP_ENDPOINT = new PropertyDescriptor
    +            .Builder().name(PROP_NAME_ENDPOINT)
    +            .description("Your endpoint identifier in AWS IoT (e.g. A1B71MLXKNCXXX)")
    +            .required(true)
    +            .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
    +            .build();
    +
    +    public static final PropertyDescriptor PROP_CLIENT = new PropertyDescriptor
    +            .Builder().name(PROP_NAME_CLIENT)
    +            .description("MQTT client ID to use. Under the cover your input will be extended
by a random " +
    +                    "string to ensure a unique id among all conntected clients.")
    --- End diff --
    
    Changed it.


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