Issue #3026 Fixed null metaData lookups in resource.

Change-Id: I29d17ea990ac5516b67ac18fadf4267663a23efb

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cave/com.raytheon.uf.viz.monitor.ffmp/src/com/raytheon/uf/viz/monitor/ffmp/FFMPMonitor.java

@@ -100,6 +100,7 @@ import com.raytheon.uf.viz.monitor.listeners.IMonitorListener;
  * Jul 09, 2013 2152        njensen     Synchronize uri requests to avoid duplicating effort
  * Jul 15, 2013 2184        dhladky     Remove all HUC's for storage except ALL
  * Jul 16, 2013 2197        njensen     Use FFMPBasinData.hasAnyBasins() for efficiency
+ * Nov 10, 2014 3026        dhladky     HPE BIAS displays.
  * 
  * </pre>
  * 
@@ -2203,5 +2204,62 @@ public class FFMPMonitor extends ResourceMonitor {
             }
         }
     }
+    
+    /**
+     * 
+     * Set and lookup metaData ID used by HPE for text bias string on D2D.
+     * 
+     * @param date
+     * @param wfo
+     * @param siteKey
+     * @param dataKey
+     * @param sourceName
+     * @return
+     */
+    public String getProductID(Date date, String wfo, String siteKey, String dataKey, String sourceName) {
+
+        DbQueryRequest request = new DbQueryRequest();
+        request.setEntityClass(FFMPRecord.class);
+        request.addRequestField("metaData");
+        request.addConstraint("dataTime.refTime", new RequestConstraint(
+                datePattern.get().format(date),
+                ConstraintType.EQUALS));
+        request.addConstraint("wfo", new RequestConstraint(wfo));
+        request.addConstraint("siteKey", new RequestConstraint(siteKey));
+        request.addConstraint("dataKey", new RequestConstraint(dataKey));
+        request.addConstraint("sourceName", new RequestConstraint(sourceName));
+
+        DbQueryResponse dbResponse = null;
+        try {
+            dbResponse = (DbQueryResponse) ThriftClient.sendRequest(request);
+        } catch (VizException e) {
+            statusHandler.handle(Priority.PROBLEM,
+                    "Couldn't lookup FFMP HPE metaData! date: " + date
+                            + ", wfo: " + wfo + ", siteKey: " + siteKey
+                            + " , dataKey: " + dataKey + ", sourceName: "
+                            + sourceName, e);
+        }
+        
+        if (dbResponse.getFieldObjects("metaData", String.class).length > 1) {
+            statusHandler
+                    .warn("There SHOULD only be one unique response for this query! date: "
+                            + date
+                            + ", wfo: "
+                            + wfo
+                            + ", siteKey: "
+                            + siteKey
+                            + " , dataKey: "
+                            + dataKey
+                            + ", sourceName: "
+                            + sourceName);
+        }
+
+        for (String metadata : dbResponse.getFieldObjects("metaData",
+                String.class)) {
+            return metadata;
+        }
+
+        return null;
+    }
 
 }

cave/com.raytheon.uf.viz.monitor.ffmp/src/com/raytheon/uf/viz/monitor/ffmp/ui/rsc/FFMPResource.java

@@ -184,6 +184,7 @@ import com.vividsolutions.jts.geom.Point;
  * Apr 30, 2014  DR 16148   gzhang      Filter Basin Dates for Trend and Table Gap. 
  * May 05, 2014 3026        mpduff      Display Hpe bias source.
  * May 19, 2014  DR 16096   gzhang      Make getBasin() protected for FFMPDataGenerator.
+ * Nov 10, 2014 3026        dhladky     HPE BIAS displays.
  * </pre>
  * 
  * @author dhladky
@@ -1474,8 +1475,7 @@ public class FFMPResource extends
 
         // Paint the HPE bias source text if HPE
         if (isHpe && qpeRecord != null) {
-            String text = getText(paintTime.getRefTime(),
-                    qpeRecord.getMetaData());
+            String text = getText(paintTime.getRefTime());
             if (text != null) {
                 sb.append(StringUtil.NEWLINE);
                 sb.append(text);
@@ -4140,15 +4140,41 @@ public class FFMPResource extends
         return dataTimes;
     }
 
-    private String getText(Date date, String productId) {
+    /**
+     * This method creates the upper left legend text for HPE derived QPE sources.
+     * It is only used for HPE QPE sources.
+     * @param date
+     * @return
+     */
+    private String getText(Date date) {
         String text = hpeLegendMap.get(date);
         if (text == null) {
+            FFMPRecord hpeQpeRecord = getQpeRecord();
+            String productId = monitor.getProductID(paintTime.getRefTime(),
+                    hpeQpeRecord.getWfo(), hpeQpeRecord.getSiteKey(),
+                    hpeQpeRecord.getDataKey(), hpeQpeRecord.getSourceName());
             dataJob.scheduleRetrieval(date, productId);
         }
 
         return text;
     }
 
+    /**
+     * HPE source lookup job 
+     * 
+     * <pre>
+     *
+     * SOFTWARE HISTORY
+     *
+     * Date         Ticket#    Engineer    Description
+     * ------------ ---------- ----------- --------------------------
+     * Nov 11, 2014  3026       dhladky     Initial creation
+     *
+     * </pre>
+     *
+     * @author dhladky
+     * @version 1.0
+     */
     private class HpeSourceDataJob extends Job {
         private volatile String productId;