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_int;
   5 import org.yaz4j.jni.SWIGTYPE_p_size_t;
   6 import org.yaz4j.jni.yaz4jlib;
   7
   8 public class ScanSet {
   9
  10     private SWIGTYPE_p_ZOOM_scanset_p scanSet = null;
  11     private Connection connection;
  12     private boolean disposed = false;
  13
  14     ScanSet(SWIGTYPE_p_ZOOM_scanset_p scanSet, Connection connection) {
  15         this.connection = connection;
  16         this.scanSet = scanSet;
  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     public void dispose() {
  38         if (!disposed) {
  39             yaz4jlib.ZOOM_scanset_destroy(scanSet);
  40             connection = null;
  41             scanSet = null;
  42             disposed = true;
  43         }
  44     }
  45 }