Github user pvillard31 commented on a diff in the pull request: https://github.com/apache/nifi/pull/1016#discussion_r114884654 --- Diff: nifi-nar-bundles/nifi-jmx-bundle/nifi-jmx-processors/src/main/java/org/apache/nifi/processors/jmx/GetJMX.java --- @@ -0,0 +1,406 @@ +/* + * 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.jmx; + +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.behavior.InputRequirement.Requirement; +import org.apache.nifi.annotation.behavior.WritesAttribute; +import org.apache.nifi.annotation.behavior.WritesAttributes; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.PropertyValue; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.annotation.lifecycle.OnScheduled; +import org.apache.nifi.annotation.documentation.CapabilityDescription; +import org.apache.nifi.annotation.documentation.SeeAlso; +import org.apache.nifi.annotation.documentation.Tags; +import org.apache.nifi.logging.ComponentLog; +import org.apache.nifi.processor.AbstractProcessor; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessorInitializationContext; +import org.apache.nifi.processor.Relationship; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.io.OutputStreamCallback; +import org.apache.nifi.processor.util.StandardValidators; + +import javax.management.MBeanAttributeInfo; +import javax.management.MBeanInfo; +import javax.management.MBeanServerConnection; +import javax.management.ObjectName; +import javax.management.remote.JMXConnector; +import javax.management.remote.JMXConnectorFactory; +import javax.management.remote.JMXServiceURL; +import javax.management.ReflectionException; +import javax.management.InstanceNotFoundException; +import javax.management.IntrospectionException; +import java.io.IOException; +import java.io.OutputStream; +import java.sql.Timestamp; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.Map; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Hashtable; +import java.util.ListIterator; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicLong; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; + +@Tags({"JMX"}) +@InputRequirement(Requirement.INPUT_FORBIDDEN) +@SeeAlso({}) +@CapabilityDescription( + "Connects to the JMX RMI Url on the configured hostname and port. " + + "All domains are queried and can be filtered by providing the full domain name " + + "and optional MBean type as whitelist or blacklist parameters.\n\n" + + "Blacklist example to exclude all types that start with 'Memory' and GarbageCollector from the " + + "java.lang domain and everything from the java.util.logging domain:" + + "\n\njava.lang:Memory.* GarbageCollector,java.util.logging") +@WritesAttributes({ + @WritesAttribute(attribute="hostname", description="The name of the host that the object originates."), + @WritesAttribute(attribute="port", description="The JMX connection port that the object originates."), + @WritesAttribute(attribute="timestamp", description="The timestamp of when the object was emitted.") }) + +public class GetJMX extends AbstractProcessor { + + public static final PropertyDescriptor HOSTNAME = new PropertyDescriptor + .Builder().name("Hostname") + .displayName("Hostname") + .description("The JMX Hostname or IP address") + .required(true) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + public static final PropertyDescriptor PORT = new PropertyDescriptor + .Builder().name("Port") + .displayName("Port") + .description("The JMX Port") + .required(true) + .addValidator(StandardValidators.PORT_VALIDATOR) + .build(); + + public static final PropertyDescriptor WHITELIST = new PropertyDescriptor + .Builder().name("DomainWhiteList") + .displayName("Domain White List") + .description("Include only these MBean domain(s) and type(s). Domains are comma delimited " + + "and optional MBean types follow a colon and are space delimited. " + + "Format: [domain1[:type1[ type2]][,domain2]]") + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .required(false) + .build(); + + public static final PropertyDescriptor BLACKLIST = new PropertyDescriptor + .Builder().name("DomainBlackList") + .displayName("Domain Black List") + .description("Include everything excluding these MBean domain(s) and type(s). Domains are " + + "comma delimited and optional MBean types follow a colon and are space delimited. " + + "Format: [domain1[:type1[ type2]][,domain2]])") + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .required(false) + .build(); + + public static final PropertyDescriptor POLLING_INTERVAL = new PropertyDescriptor --- End diff -- I am not sure to understand the role of this property? Isn't it already handled by the scheduling of the processor itself? Or do you expect some kind of additional scheduling on top of it?
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