1 /*
2 * #%L
3 * wcm.io
4 * %%
5 * Copyright (C) 2014 wcm.io
6 * %%
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * #L%
19 */
20 package io.wcm.caravan.io.jsontransform.sink;
21
22 import java.io.Closeable;
23 import java.io.IOException;
24
25 import org.osgi.annotation.versioning.ConsumerType;
26
27 import io.wcm.caravan.io.jsontransform.element.JsonElement;
28
29 /**
30 * Sinks represent the end of a pipeline and consumes the data flow.
31 */
32 @ConsumerType
33 public interface Sink extends Closeable {
34
35 /**
36 * Takes an JSON element and writes it some where in any format.
37 * @param jsonElement JSON element
38 * @throws IOException Writing error
39 */
40 void write(JsonElement jsonElement) throws IOException;
41
42 /**
43 * @return True if any output was written
44 */
45 boolean hasOutput();
46
47 }