/
Exceptions.java
132 lines (117 loc) · 4.54 KB
/
Exceptions.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
130
131
132
/*
* Copyright 2021 Google LLC
*
* 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
*
* https://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.google.cloud.bigquery.storage.v1;
import com.google.api.gax.grpc.GrpcStatusCode;
import com.google.common.collect.ImmutableMap;
import com.google.protobuf.Any;
import com.google.protobuf.InvalidProtocolBufferException;
import javax.annotation.Nullable;
/** Exceptions for Storage Client Libraries. */
public final class Exceptions {
/** Main Storage Exception. Might contain map of streams to errors for that stream. */
public static class StorageException extends RuntimeException {
private final ImmutableMap<String, GrpcStatusCode> errors;
private final String streamName;
private StorageException() {
this(null, null, null, ImmutableMap.of());
}
private StorageException(
@Nullable String message,
@Nullable Throwable cause,
@Nullable String streamName,
ImmutableMap<String, GrpcStatusCode> errors) {
super(message, cause);
this.streamName = streamName;
this.errors = errors;
}
public ImmutableMap<String, GrpcStatusCode> getErrors() {
return errors;
}
public String getStreamName() {
return streamName;
}
}
/** Stream has already been finalized. */
public static final class StreamFinalizedException extends StorageException {
protected StreamFinalizedException(String name, String message, Throwable cause) {
super(message, cause, name, ImmutableMap.of());
}
}
/**
* There was a schema mismatch due to bigquery table with fewer fields than the input message.
* This can be resolved by updating the table's schema with the message schema.
*/
public static final class SchemaMismatchedException extends StorageException {
protected SchemaMismatchedException(String name, String message, Throwable cause) {
super(message, cause, name, ImmutableMap.of());
}
}
private static StorageError toStorageError(com.google.rpc.Status rpcStatus) {
for (Any detail : rpcStatus.getDetailsList()) {
if (detail.is(StorageError.class)) {
try {
return detail.unpack(StorageError.class);
} catch (InvalidProtocolBufferException protoException) {
throw new IllegalStateException(protoException);
}
}
}
return null;
}
/**
* Converts a c.g.rpc.Status into a StorageException, if possible. Examines the embedded
* StorageError, and potentially returns a {@link StreamFinalizedException} or {@link
* SchemaMismatchedException} (both derive from StorageException). If there is no StorageError, or
* the StorageError is a different error it will return NULL.
*/
@Nullable
public static StorageException toStorageException(
com.google.rpc.Status rpcStatus, Throwable exception) {
StorageError error = toStorageError(rpcStatus);
if (error == null) {
return null;
}
switch (error.getCode()) {
case STREAM_FINALIZED:
return new StreamFinalizedException(error.getEntity(), error.getErrorMessage(), exception);
case SCHEMA_MISMATCH_EXTRA_FIELDS:
return new SchemaMismatchedException(error.getEntity(), error.getErrorMessage(), exception);
default:
return null;
}
}
/**
* Converts a Throwable into a StorageException, if possible. Examines the embedded error message,
* and potentially returns a {@link StreamFinalizedException} or {@link SchemaMismatchedException}
* (both derive from StorageException). If there is no StorageError, or the StorageError is a
* different error it will return NULL.
*/
@Nullable
public static StorageException toStorageException(Throwable exception) {
String errorMsg = exception.getMessage();
if (errorMsg == null) {
return null;
}
if (errorMsg.toLowerCase().contains("finazlied")) {
return new StreamFinalizedException(null, errorMsg, exception);
}
if (errorMsg.toLowerCase().contains("mismatched")) {
return new SchemaMismatchedException(null, errorMsg, exception);
}
return null;
}
private Exceptions() {}
}