2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
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17 * See the License for the specific language governing permissions and
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23 package org.onap.aai.sparky.synchronizer.filter;
25 import java.io.IOException;
26 import java.net.InetAddress;
27 import java.net.UnknownHostException;
29 import javax.servlet.Filter;
30 import javax.servlet.FilterChain;
31 import javax.servlet.FilterConfig;
32 import javax.servlet.ServletException;
33 import javax.servlet.ServletRequest;
34 import javax.servlet.ServletResponse;
36 import org.onap.aai.sparky.config.oxm.OxmModelLoader;
37 import org.onap.aai.sparky.logging.AaiUiMsgs;
38 import org.onap.aai.sparky.synchronizer.SyncHelper;
39 import org.onap.aai.sparky.util.NodeUtils;
40 import org.onap.aai.cl.api.Logger;
41 import org.onap.aai.cl.eelf.LoggerFactory;
42 import org.onap.aai.cl.mdc.MdcContext;
45 * This is a wire-frame for an experiment to get the jetty filter-lifecyle initialization method to
46 * setup a scheduled thread executor with an ElasticSearchSynchronization task, which (I'm hoping)
47 * will allow us to do periodic ES <=> AAI synchronization.
49 * Alternatively, if the embedded java approach doesn't work we could try instead to do a
50 * System.exec( "perl refreshElasticSearchInstance.pl"). We have two options, I'm hoping the
51 * embedded options will work for us.
55 * The Class ElasticSearchSynchronizerFilter.
57 public class ElasticSearchSynchronizerFilter implements Filter {
59 private static final Logger LOG =
60 LoggerFactory.getInstance().getLogger(ElasticSearchSynchronizerFilter.class);
62 private SyncHelper syncHelper;
67 * @see javax.servlet.Filter#destroy()
70 public void destroy() {
72 if (syncHelper != null) {
73 syncHelper.shutdown();
80 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse,
81 * javax.servlet.FilterChain)
84 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
85 throws IOException, ServletException {
88 * However, we will setup the filtermap with a url that should never get it, so we shouldn't
92 chain.doFilter(request, response);
98 * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
101 public void init(FilterConfig filterConfig) throws ServletException {
102 String txnID = NodeUtils.getRandomTxnId();
103 MdcContext.initialize(txnID, "ElasticSearchSynchronizerFilter", "", "Init", "");
105 LOG.debug(AaiUiMsgs.DEBUG_GENERIC, "init()");
108 new SyncHelper(OxmModelLoader.getInstance());
109 } catch (Exception exc) {
110 throw new ServletException("Caught an exception while initializing filter", exc);
116 * @return the syncHelper
118 public SyncHelper getSyncHelper() {
123 * @param syncHelper the syncHelper to set
125 public void setSyncHelper(SyncHelper syncHelper) {
126 this.syncHelper = syncHelper;
132 public static Logger getLog() {