Android Open Source - DKO Select As Map Iterable

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

package org.kered.dko;
// www. j a  va2  s .  c om
import java.sql.SQLException;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

class SelectAsMapIterable<T extends Table> implements Iterable<Map<Field<?>, Object>> {

  private final DBQuery<T> query;

  public SelectAsMapIterable(final DBQuery<T> q) {
    this.query = q;
  }

  @Override
  public Iterator<Map<Field<?>, Object>> iterator() {
    final DBRowIterator<T> i = new DBRowIterator<T>(query, false);
    i.init();
    final List<Field<?>> fields = query.getSelectFields();
    return new Iterator<Map<Field<?>, Object>>() {
      @Override
      public boolean hasNext() {
        return i.peek() != null;
      }
      @Override
      public Map<Field<?>, Object> next() {
        final Object[] oa = i.next();
        final Map<Field<?>, Object> ret = new LinkedHashMap<Field<?>, Object>();
        for (int i=0; i<fields.size(); ++i) ret.put(fields.get(i), oa[i]);
        return ret;
      }
      @Override
      public void remove() {
        throw new UnsupportedOperationException();
      }
    };
  }

}

Java Source Code List

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