org.apache.asterix.om.base.IACursor Maven / Gradle / Ivy

Go to download
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.asterix.om.base;

/**
 * @author Nicola
 *         Implements a standard Cursor interface: initially, the cursor points
 *         before the beginning of the data. The first call to next() moves the
 *         cursor to the first object, if any. Subsequent calls keep moving the
 *         cursor, until next() returns false.
 */
public interface IACursor {
    public void reset();

    public boolean next(); // moves the cursor

    public IAObject get(); // returns the current object
}