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
   9   //for GC ref-count
  10   private Connection conn;
  11   private SWIGTYPE_p_ZOOM_scanset_p scanSet;
  12   private boolean disposed = false;
  13
  14   ScanSet(SWIGTYPE_p_ZOOM_scanset_p scanSet, Connection conn) {
  15     this.scanSet = scanSet;
  16     this.conn = conn;
  17   }
  18
  19   public void finalize() {
  20     _dispose();
  21   }
  22
  23   public ScanTerm get(long index) {
  24     SWIGTYPE_p_size_t occ = yaz4jlib.new_size_tp();
  25     SWIGTYPE_p_size_t length = yaz4jlib.new_size_tp();
  26     String term = yaz4jlib.ZOOM_scanset_term(scanSet, (long) index, occ, length);
  27     long occurences = yaz4jlib.size_tp_value(occ);
  28     yaz4jlib.delete_size_tp(occ);
  29     yaz4jlib.delete_size_tp(length);
  30     return new ScanTerm(term, occurences);
  31   }
  32
  33   public long getSize() {
  34     return yaz4jlib.ZOOM_scanset_size(scanSet);
  35   }
  36
  37   void _dispose() {
  38     if (!disposed) {
  39       yaz4jlib.ZOOM_scanset_destroy(scanSet);
  40       scanSet = null;
  41       conn = null;
  42       disposed = true;
  43     }
  44   }
  45 }