예제 #1
0
 /** Returns the {@link SegmentCacheIndex} for a given {@link SegmentHeader}. */
 private SegmentCacheIndex getIndex(SegmentHeader header) {
   // First we check the indexes that already exist.
   // This is fast.
   for (Entry<RolapStar, SegmentCacheIndex> entry : indexes.entrySet()) {
     final String factTableName = entry.getKey().getFactTable().getTableName();
     final ByteString schemaChecksum = entry.getKey().getSchema().getChecksum();
     if (!factTableName.equals(header.rolapStarFactTableName)) {
       continue;
     }
     if (!schemaChecksum.equals(header.schemaChecksum)) {
       continue;
     }
     return entry.getValue();
   }
   // The index doesn't exist. Let's create it.
   for (RolapSchema schema : RolapSchema.getRolapSchemas()) {
     if (!schema.getChecksum().equals(header.schemaChecksum)) {
       continue;
     }
     // We have a schema match.
     RolapStar star = schema.getStar(header.rolapStarFactTableName);
     if (star != null) {
       // Found it.
       indexes.put(star, new SegmentCacheIndexImpl(thread));
     }
     return indexes.get(star);
   }
   return null;
 }
예제 #2
0
 /** Returns the {@link SegmentCacheIndex} for a given {@link RolapStar}. */
 public SegmentCacheIndex getIndex(RolapStar star) {
   if (!indexes.containsKey(star)) {
     indexes.put(star, new SegmentCacheIndexImpl(thread));
   }
   return indexes.get(star);
 }