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18 package org.apache.hadoop.hbase.procedure;
19
20 import java.io.IOException;
21
22 import org.apache.commons.logging.Log;
23 import org.apache.commons.logging.LogFactory;
24 import org.apache.hadoop.conf.Configuration;
25 import org.apache.hadoop.hbase.regionserver.HRegionServer;
26 import org.apache.hadoop.hbase.regionserver.RegionServerServices;
27 import org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager;
28 import org.apache.zookeeper.KeeperException;
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34
35 public class RegionServerProcedureManagerHost extends
36 ProcedureManagerHost<RegionServerProcedureManager> {
37
38 private static final Log LOG = LogFactory
39 .getLog(RegionServerProcedureManagerHost.class);
40
41 public void initialize(RegionServerServices rss) throws KeeperException {
42 for (RegionServerProcedureManager proc : procedures) {
43 LOG.info("Procedure " + proc.getProcedureSignature() + " is initializing");
44 proc.initialize(rss);
45 LOG.info("Procedure " + proc.getProcedureSignature() + " is initialized");
46 }
47 }
48
49 public void start() {
50 for (RegionServerProcedureManager proc : procedures) {
51 LOG.info("Procedure " + proc.getProcedureSignature() + " is starting");
52 proc.start();
53 LOG.info("Procedure " + proc.getProcedureSignature() + " is started");
54 }
55 }
56
57 public void stop(boolean force) {
58 for (RegionServerProcedureManager proc : procedures) {
59 try {
60 proc.stop(force);
61 } catch (IOException e) {
62 LOG.warn("Failed to close procedure " + proc.getProcedureSignature()
63 + " cleanly", e);
64 }
65 }
66 }
67
68 @Override
69 public void loadProcedures(Configuration conf) {
70 loadUserProcedures(conf, REGIONSERVER_PROCEDURE_CONF_KEY);
71
72 procedures.add(new RegionServerSnapshotManager());
73 }
74
75 }