| package org.apache.samoa.streams; |
| |
| /* |
| * #%L |
| * SAMOA |
| * %% |
| * Copyright (C) 2014 - 2015 Apache Software Foundation |
| * %% |
| * 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. |
| * #L% |
| */ |
| |
| /** |
| * License |
| */ |
| |
| import org.apache.samoa.instances.Instance; |
| import org.apache.samoa.moa.core.Example; |
| import org.apache.samoa.moa.streams.InstanceStream; |
| |
| /** |
| * The Class StreamSource. |
| */ |
| public class StreamSource implements java.io.Serializable { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 3974668694861231236L; |
| |
| /** |
| * Instantiates a new stream source. |
| * |
| * @param stream |
| * the stream |
| */ |
| public StreamSource(InstanceStream stream) { |
| super(); |
| this.stream = stream; |
| } |
| |
| /** The stream. */ |
| protected InstanceStream stream; |
| |
| /** |
| * Gets the stream. |
| * |
| * @return the stream |
| */ |
| public InstanceStream getStream() { |
| return stream; |
| } |
| |
| /** |
| * Next instance. |
| * |
| * @return the instance |
| */ |
| public Example<Instance> nextInstance() { |
| return stream.nextInstance(); |
| } |
| |
| /** |
| * Sets the stream. |
| * |
| * @param stream |
| * the new stream |
| */ |
| public void setStream(InstanceStream stream) { |
| this.stream = stream; |
| } |
| |
| /** |
| * Checks for more instances. |
| * |
| * @return true, if successful |
| */ |
| public boolean hasMoreInstances() { |
| return this.stream.hasMoreInstances(); |
| } |
| |
| } |