src/main/java/org/yaz4j/ScanSet.java

   1 package org.yaz4j;
   2
   3 import org.yaz4j.jni.SWIGTYPE_p_ZOOM_scanset_p;
   4 import org.yaz4j.jni.SWIGTYPE_p_size_t;
   5 import org.yaz4j.jni.yaz4jlib;
   6
   7 public class ScanSet {
   8     //for GC ref-count
   9     private Connection conn;
  10     private SWIGTYPE_p_ZOOM_scanset_p scanSet;
  11     private boolean disposed = false;
  12
  13     ScanSet(SWIGTYPE_p_ZOOM_scanset_p scanSet, Connection conn) {
  14         this.scanSet = scanSet;
  15         this.conn = conn;
  16     }
  17
  18     public void finalize() {
  19         _dispose();
  20     }
  21
  22     public ScanTerm get(long index) {
  23         SWIGTYPE_p_size_t occ = yaz4jlib.new_size_tp();
  24         SWIGTYPE_p_size_t length = yaz4jlib.new_size_tp();
  25         String term = yaz4jlib.ZOOM_scanset_term(scanSet, (long) index, occ, length);
  26         long occurences = yaz4jlib.size_tp_value(occ);
  27         yaz4jlib.delete_size_tp(occ);
  28         yaz4jlib.delete_size_tp(length);
  29         return new ScanTerm(term, occurences);
  30     }
  31
  32     public long getSize() {
  33         return yaz4jlib.ZOOM_scanset_size(scanSet);
  34     }
  35
  36     void _dispose() {
  37         if (!disposed) {
  38             yaz4jlib.ZOOM_scanset_destroy(scanSet);
  39             scanSet = null;
  40             conn = null;
  41             disposed = true;
  42         }
  43     }
  44 }