-
Notifications
You must be signed in to change notification settings - Fork 214
/
DroppingMessageMapper.java
87 lines (71 loc) · 2.7 KB
/
DroppingMessageMapper.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
/*
* Copyright (c) 2019 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.connectivity.service.messaging;
import java.util.Collections;
import java.util.List;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.connectivity.api.ExternalMessage;
import org.eclipse.ditto.connectivity.model.Connection;
import org.eclipse.ditto.connectivity.model.ConnectivityModelFactory;
import org.eclipse.ditto.connectivity.model.MappingContext;
import org.eclipse.ditto.connectivity.service.config.mapping.MappingConfig;
import org.eclipse.ditto.connectivity.service.mapping.AbstractMessageMapper;
import org.eclipse.ditto.connectivity.service.mapping.MessageMapper;
import org.eclipse.ditto.connectivity.service.mapping.MessageMapperConfiguration;
import org.eclipse.ditto.protocol.Adaptable;
import com.typesafe.config.Config;
import org.apache.pekko.actor.ActorSystem;
/**
* Implementation of {@link org.eclipse.ditto.connectivity.service.mapping.MessageMapper} that always drops.
*/
public class DroppingMessageMapper extends AbstractMessageMapper {
static final String ALIAS = "Dropping";
/**
* The context representing this mapper
*/
static final MappingContext CONTEXT = ConnectivityModelFactory.newMappingContext(ALIAS, Collections.emptyMap());
DroppingMessageMapper(final ActorSystem actorSystem, final Config config) {
super(actorSystem, config);
}
private DroppingMessageMapper(final DroppingMessageMapper copyFromMapper) {
super(copyFromMapper);
}
@Override
public void doConfigure(final Connection connection, final MappingConfig mappingConfig, final MessageMapperConfiguration configuration) {
// ignore
}
@Override
public String getAlias() {
return ALIAS;
}
@Override
public boolean isConfigurationMandatory() {
return false;
}
@Override
public MessageMapper createNewMapperInstance() {
return new DroppingMessageMapper(this);
}
@Override
public List<Adaptable> map(final ExternalMessage message) {
return Collections.emptyList();
}
@Override
public DittoHeaders getAdditionalInboundHeaders(final ExternalMessage message) {
return DittoHeaders.empty();
}
@Override
public List<ExternalMessage> map(final Adaptable adaptable) {
return Collections.emptyList();
}
}