Examples of org.hibernate.classic.Session.iterate()

org.hibernate.classic.Session.iterate()
Execute a query and return the results in an iterator. If the query has multiple return values, values will be returned in an array of type Object[].

Entities returned as results are initialized on demand. The first SQL query returns identifiers only. So iterate() is usually a less efficient way to retrieve objects than find(). @deprecated use {@link #createQuery}. {@link Query#iterate} @param query the query string @return an iterator @throws HibernateException

      if ( iter.next().equals("a new value") ) found = true;
    }
    assertTrue(found);
    baz.setStringArray(null);
    s.iterate("from Baz baz"); //no flush
    iter = s.iterate("select elements(baz.stringArray) from Baz baz");
    assertTrue( !iter.hasNext() );
    baz.getStringList().add("1E1");
    iter = s.iterate("from Foo foo");//no flush
    assertTrue( !iter.hasNext() );
    iter = s.iterate("select elements(baz.stringList) from Baz baz");

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    baz.setStringArray(null);
    s.iterate("from Baz baz"); //no flush
    iter = s.iterate("select elements(baz.stringArray) from Baz baz");
    assertTrue( !iter.hasNext() );
    baz.getStringList().add("1E1");
    iter = s.iterate("from Foo foo");//no flush
    assertTrue( !iter.hasNext() );
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    found = false;
    while ( iter.hasNext() ) {
      if ( iter.next().equals("1E1") ) found = true;

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    iter = s.iterate("select elements(baz.stringArray) from Baz baz");
    assertTrue( !iter.hasNext() );
    baz.getStringList().add("1E1");
    iter = s.iterate("from Foo foo");//no flush
    assertTrue( !iter.hasNext() );
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    found = false;
    while ( iter.hasNext() ) {
      if ( iter.next().equals("1E1") ) found = true;
    }
    assertTrue(found);

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    while ( iter.hasNext() ) {
      if ( iter.next().equals("1E1") ) found = true;
    }
    assertTrue(found);
    baz.getStringList().remove("1E1");
    iter = s.iterate("select elements(baz.stringArray) from Baz baz"); //no flush
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    found = false;
    while ( iter.hasNext() ) {
      if ( iter.next().equals("1E1") ) found = true;
    }

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      if ( iter.next().equals("1E1") ) found = true;
    }
    assertTrue(found);
    baz.getStringList().remove("1E1");
    iter = s.iterate("select elements(baz.stringArray) from Baz baz"); //no flush
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    found = false;
    while ( iter.hasNext() ) {
      if ( iter.next().equals("1E1") ) found = true;
    }
    assertTrue(!found);

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    assertTrue(!found);


    List newList = new ArrayList();
    newList.add("value");
    baz.setStringList(newList);
    iter = s.iterate("from Foo foo");//no flush
    baz.setStringList(null);
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    assertTrue( !iter.hasNext() );


    baz.setStringList(newList);

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    List newList = new ArrayList();
    newList.add("value");
    baz.setStringList(newList);
    iter = s.iterate("from Foo foo");//no flush
    baz.setStringList(null);
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    assertTrue( !iter.hasNext() );


    baz.setStringList(newList);
    iter = s.iterate("from Foo foo");//no flush
    iter = s.iterate("select elements(baz.stringList) from Baz baz");

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    baz.setStringList(null);
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    assertTrue( !iter.hasNext() );


    baz.setStringList(newList);
    iter = s.iterate("from Foo foo");//no flush
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    assertTrue( iter.hasNext() );


    s.delete(baz);
    txn.commit();

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    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    assertTrue( !iter.hasNext() );


    baz.setStringList(newList);
    iter = s.iterate("from Foo foo");//no flush
    iter = s.iterate("select elements(baz.stringList) from Baz baz");
    assertTrue( iter.hasNext() );


    s.delete(baz);
    txn.commit();
    s.close();

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  }


  public void testPersistCollections() throws Exception {
    Session s = openSession();
    Transaction txn = s.beginTransaction();
    assertTrue( ( (Long) s.iterate("select count(*) from Bar").next() ).longValue()==0 );
    assertTrue( s.iterate("select count(*) from Bar b").next().equals( new Long(0) ) );
    assertFalse( s.iterate("from Glarch g").hasNext() );


    Baz baz = new Baz();
    s.save(baz);

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