AvroCloseableIterable.java

/*
 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Additionally licensed with:
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.spf4j.base.avro;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.io.Closeable;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.Iterator;
import org.apache.avro.Schema;
import org.spf4j.base.CloseableIterable;

/**
 *
 * @author Zoltan Farkas
 */
public interface AvroCloseableIterable<T> extends AvroContainer, CloseableIterable<T> {

  static <T>  AvroCloseableIterable<T> from(final Iterable<T> it, final Closeable toClose,
          final Schema elementSchema) {
    return new AvroCloseableIterable<T>() {
      @Override
      @SuppressFBWarnings("EXS_EXCEPTION_SOFTENING_NO_CHECKED")
      public void close() {
        try {
          toClose.close();
        } catch (IOException ex) {
          throw new UncheckedIOException(ex);
        }
      }

      @Override
      public Schema getElementSchema() {
        return elementSchema;
      }

      @Override
      public Iterator<T> iterator() {
        return it.iterator();
      }
    };
  }

}