01: /*
02: * (c) Copyright 2007 by Volker Bergmann. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, is permitted under the terms of the
06: * GNU General Public License.
07: *
08: * For redistributing this software or a derivative work under a license other
09: * than the GPL-compatible Free Software License as defined by the Free
10: * Software Foundation or approved by OSI, you must first obtain a commercial
11: * license to this software product from Volker Bergmann.
12: *
13: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
14: * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
15: * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
16: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
17: * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24: * POSSIBILITY OF SUCH DAMAGE.
25: */
26:
27: package org.databene.model.consumer;
28:
29: /**
30: * Combines several Processors under one Processor interface.
31: * Each call to the Processor is forwarded to all sub Processors.<br/>
32: * <br/>
33: * Created: 26.08.2007 14:50:29
34: * @since 0.4.0
35: * @author Volker Bergmann
36: */
37: public class ConsumerChain<E> extends AbstractConsumer<E> {
38:
39: private Consumer<E>[] components;
40:
41: // constructors ----------------------------------------------------------------------------------------------------
42:
43: public ConsumerChain() {
44: }
45:
46: public ConsumerChain(Consumer<E>... components) {
47: this .components = components;
48: }
49:
50: // properties ------------------------------------------------------------------------------------------------------
51:
52: public void setComponents(Consumer<E>[] components) {
53: this .components = components;
54: }
55:
56: // Processor interface ---------------------------------------------------------------------------------------------
57:
58: public void startConsuming(E object) {
59: for (Consumer<E> processor : components)
60: processor.startConsuming(object);
61: }
62:
63: public void finishConsuming(E object) {
64: for (Consumer<E> processor : components)
65: processor.finishConsuming(object);
66: }
67:
68: public void flush() {
69: for (Consumer<E> processor : components)
70: processor.flush();
71: }
72:
73: public void close() {
74: for (Consumer<E> processor : components)
75: processor.close();
76: }
77: }
|