| /** |
| * 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 com.datatorrent.contrib.nifi.mock; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.nifi.remote.Communicant; |
| import org.apache.nifi.remote.Transaction; |
| import org.apache.nifi.remote.TransactionCompletion; |
| import org.apache.nifi.remote.protocol.DataPacket; |
| import org.apache.nifi.stream.io.ByteArrayInputStream; |
| |
| /** |
| * A mock Transaction that will return the data passed in the constructor on calls to receive(), |
| * and will store the data packets passed to send(). |
| */ |
| public class MockTransaction implements Transaction |
| { |
| |
| private Iterator<DataPacket> dataPacketIter; |
| |
| private List<DataPacket> sentDataPackets = new ArrayList<>(); |
| |
| public MockTransaction(Iterator<DataPacket> iter) |
| { |
| this.dataPacketIter = iter; |
| } |
| |
| @Override |
| public void send(DataPacket dataPacket) throws IOException |
| { |
| if (dataPacket != null) { |
| this.sentDataPackets.add(dataPacket); |
| } |
| } |
| |
| @Override |
| public void send(byte[] content, Map<String, String> attributes) throws IOException |
| { |
| this.sentDataPackets.add(new MockDataPacket(attributes, new ByteArrayInputStream(content), content.length)); |
| } |
| |
| public List<DataPacket> getSentDataPackets() |
| { |
| return Collections.unmodifiableList(sentDataPackets); |
| } |
| |
| @Override |
| public DataPacket receive() throws IOException |
| { |
| if (dataPacketIter != null && dataPacketIter.hasNext()) { |
| return dataPacketIter.next(); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public void confirm() throws IOException |
| { |
| |
| } |
| |
| @Override |
| public TransactionCompletion complete() throws IOException |
| { |
| return new TransactionCompletion() |
| { |
| @Override |
| public boolean isBackoff() |
| { |
| return false; |
| } |
| |
| @Override |
| public int getDataPacketsTransferred() |
| { |
| return 0; |
| } |
| |
| @Override |
| public long getBytesTransferred() |
| { |
| return 0; |
| } |
| |
| @Override |
| public long getDuration(TimeUnit timeUnit) |
| { |
| return 0; |
| } |
| }; |
| } |
| |
| @Override |
| public void cancel(String explanation) throws IOException |
| { |
| |
| } |
| |
| @Override |
| public void error() |
| { |
| |
| } |
| |
| @Override |
| public TransactionState getState() throws IOException |
| { |
| return TransactionState.TRANSACTION_COMPLETED; |
| } |
| |
| @Override |
| public Communicant getCommunicant() |
| { |
| return new Communicant() |
| { |
| @Override |
| public String getUrl() |
| { |
| return null; |
| } |
| |
| @Override |
| public String getHost() |
| { |
| return null; |
| } |
| |
| @Override |
| public int getPort() |
| { |
| return 0; |
| } |
| |
| @Override |
| public String getDistinguishedName() |
| { |
| return null; |
| } |
| }; |
| } |
| |
| } |