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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/h2/CollectionAccessUpdateTrigger.java @ 330:3168af23aec5

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Added a CallContext.isInBackground() method to determine if an Artifact or a Collection has started a background thread and is currently locked. artifacts/trunk@2666 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 07 Sep 2011 13:51:02 +0000
parents f33401ea2a6c
children
rev   line source
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328ef982d768 When an artifact is touched the collections which contain the artifact are touched, too.
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1 package de.intevation.artifactdatabase.h2;
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2
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3 import org.h2.api.Trigger;
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4
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5 import java.sql.Connection;
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6 import java.sql.SQLException;
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7 import java.sql.PreparedStatement;
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8
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9 import de.intevation.artifactdatabase.DBConfig;
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11 import de.intevation.artifactdatabase.db.SQL;
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12
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13 import org.apache.log4j.Logger;
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14
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15 public class CollectionAccessUpdateTrigger
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16 implements Trigger
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17 {
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18 private static Logger logger =
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19 Logger.getLogger(CollectionAccessUpdateTrigger.class);
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20
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21 public String COLLECTIONS_TOUCH_TRIGGER_FUNCTION;
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22
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23 public void init(
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24 Connection conn,
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25 String schemaName,
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26 String triggerName,
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27 String tableName,
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28 boolean before,
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29 int type
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30 )
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31 throws SQLException {
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32 logger.debug("CollectionAccessUpdateTrigger.init");
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33 setupSQL(DBConfig.getInstance().getSQL());
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34 }
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35
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36 protected void setupSQL(SQL sql) {
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37 COLLECTIONS_TOUCH_TRIGGER_FUNCTION =
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38 sql.get("collections.touch.trigger.function");
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39 }
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40
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41 public void fire(
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42 Connection conn,
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43 Object [] oldRow,
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44 Object [] newRow
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45 )
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46 throws SQLException {
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47 logger.debug("CollectionAccessUpdateTrigger.fire");
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48 PreparedStatement stmnt = conn.prepareStatement(
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49 COLLECTIONS_TOUCH_TRIGGER_FUNCTION);
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50 stmnt.setObject(1, newRow[0]);
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51 stmnt.execute();
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52 stmnt.close();
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53 }
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54
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55 public void close() throws SQLException {
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56 logger.debug("CollectionAccessUpdateTrigger.close");
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57 }
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58
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59 public void remove() throws SQLException {
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60 logger.debug("CollectionAccessUpdateTrigger.remove");
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61 }
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62 }
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63 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org