Github user olegz commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1401#discussion_r98356661
--- Diff:
nifi-nar-bundles/nifi-site-to-site-reporting-bundle/nifi-site-to-site-reporting-task/src/main/java/org/apache/nifi/reporting/SiteToSiteBulletinReportingTask.java
---
@@ -0,0 +1,235 @@
+/*
+ * 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.reporting;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.TimeZone;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import javax.json.Json;
+import javax.json.JsonArray;
+import javax.json.JsonArrayBuilder;
+import javax.json.JsonBuilderFactory;
+import javax.json.JsonObject;
+import javax.json.JsonObjectBuilder;
+
+import org.apache.nifi.annotation.behavior.Restricted;
+import org.apache.nifi.annotation.behavior.Stateful;
+import org.apache.nifi.annotation.configuration.DefaultSchedule;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.state.Scope;
+import org.apache.nifi.components.state.StateManager;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.remote.Transaction;
+import org.apache.nifi.remote.TransferDirection;
+import org.apache.nifi.scheduling.SchedulingStrategy;
+
+@Tags({"bulletin", "site", "site to site", "restricted"})
+@CapabilityDescription("Publishes Bulletin events using the Site To Site
protocol. Note: only up to 5 bulletins are stored per component and up to "
+ + "10 bulletins at controller level for a duration of up to 5
minutes. If this reporting task is not scheduled frequently enough some
bulletins "
+ + "may not be sent.")
+@Stateful(scopes = Scope.LOCAL, description = "Stores the Reporting Task's
last bulletin ID so that on restart the task knows where it left off.")
+@Restricted("Provides operator the ability to send sensitive details
contained in bulletin events to any external system.")
+@DefaultSchedule(strategy = SchedulingStrategy.TIMER_DRIVEN, period = "1
min")
+public class SiteToSiteBulletinReportingTask extends
AbstractSiteToSiteReportingTask {
+
+ static final String TIMESTAMP_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";
+ static final String LAST_EVENT_ID_KEY = "last_event_id";
+
+ static final PropertyDescriptor PLATFORM = new
PropertyDescriptor.Builder()
+ .name("Platform")
+ .description("The value to use for the platform field in each
provenance event.")
+ .required(true)
+ .expressionLanguageSupported(true)
+ .defaultValue("nifi")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ private volatile long lastSentBulletinId = -1L;
+
+ @Override
+ protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+ final List<PropertyDescriptor> properties = new ArrayList<>();
+ properties.add(DESTINATION_URL);
+ properties.add(PORT_NAME);
+ properties.add(SSL_CONTEXT);
+ properties.add(COMPRESS);
+ properties.add(TIMEOUT);
+ properties.add(PLATFORM);
+ return properties;
+ }
--- End diff --
@pvillard31 given the fact that this operation is invoked multiple times
consider applying the same pattern we use in Processors where property
descriptor list (as well as relationships) are build in static initializers.
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