forked from grpc/grpc-java
/
ForwardingLoadBalancerHelper.java
129 lines (109 loc) · 3.71 KB
/
ForwardingLoadBalancerHelper.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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/*
* Copyright 2018 The gRPC Authors
*
* 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.
*/
package io.grpc.util;
import com.google.common.base.MoreObjects;
import io.grpc.ChannelCredentials;
import io.grpc.ChannelLogger;
import io.grpc.ConnectivityState;
import io.grpc.EquivalentAddressGroup;
import io.grpc.ExperimentalApi;
import io.grpc.LoadBalancer.CreateSubchannelArgs;
import io.grpc.LoadBalancer.Subchannel;
import io.grpc.LoadBalancer.SubchannelPicker;
import io.grpc.LoadBalancer;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.NameResolver;
import io.grpc.NameResolverRegistry;
import io.grpc.SynchronizationContext;
import java.util.concurrent.ScheduledExecutorService;
@ExperimentalApi("https://github.com/grpc/grpc-java/issues/1771")
public abstract class ForwardingLoadBalancerHelper extends LoadBalancer.Helper {
/**
* Returns the underlying helper.
*/
protected abstract LoadBalancer.Helper delegate();
@Override
public Subchannel createSubchannel(CreateSubchannelArgs args) {
return delegate().createSubchannel(args);
}
@Override
public ManagedChannel createOobChannel(EquivalentAddressGroup eag, String authority) {
return delegate().createOobChannel(eag, authority);
}
@Override
public void updateOobChannelAddresses(ManagedChannel channel, EquivalentAddressGroup eag) {
delegate().updateOobChannelAddresses(channel, eag);
}
@Override
public ManagedChannelBuilder<?> createResolvingOobChannelBuilder(String target) {
return delegate().createResolvingOobChannelBuilder(target);
}
@Override
public ManagedChannelBuilder<?> createResolvingOobChannelBuilder(
String target, ChannelCredentials creds) {
return delegate().createResolvingOobChannelBuilder(target, creds);
}
@Override
public ManagedChannel createResolvingOobChannel(String target) {
return delegate().createResolvingOobChannel(target);
}
@Override
public void updateBalancingState(
ConnectivityState newState, SubchannelPicker newPicker) {
delegate().updateBalancingState(newState, newPicker);
}
@Override
public void refreshNameResolution() {
delegate().refreshNameResolution();
}
@Override
public String getAuthority() {
return delegate().getAuthority();
}
@Override
public ChannelCredentials getChannelCredentials() {
return delegate().getChannelCredentials();
}
@Override
public ChannelCredentials getUnsafeChannelCredentials() {
return delegate().getUnsafeChannelCredentials();
}
@Override
public SynchronizationContext getSynchronizationContext() {
return delegate().getSynchronizationContext();
}
@Override
public ScheduledExecutorService getScheduledExecutorService() {
return delegate().getScheduledExecutorService();
}
@Override
public ChannelLogger getChannelLogger() {
return delegate().getChannelLogger();
}
@Override
public NameResolver.Args getNameResolverArgs() {
return delegate().getNameResolverArgs();
}
@Override
public NameResolverRegistry getNameResolverRegistry() {
return delegate().getNameResolverRegistry();
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this).add("delegate", delegate()).toString();
}
}