/
BulkWriterOptions.java
156 lines (136 loc) · 5.34 KB
/
BulkWriterOptions.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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*
* Copyright 2020 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
*
* 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 com.google.cloud.firestore;
import com.google.api.core.BetaApi;
import com.google.auto.value.AutoValue;
import java.util.concurrent.ScheduledExecutorService;
import javax.annotation.Nullable;
/** Options used to configure request throttling in BulkWriter. */
@BetaApi
@AutoValue
abstract class BulkWriterOptions {
/**
* Return whether throttling is enabled.
*
* @return Whether throttling is enabled.
*/
abstract boolean getThrottlingEnabled();
/**
* Returns the initial maximum number of operations per second allowed by the throttler.
*
* @return The initial maximum number of operations per second allowed by the throttler.
*/
@Nullable
abstract Double getInitialOpsPerSecond();
/**
* Returns the maximum number of operations per second allowed by the throttler.
*
* <p>The throttler's allowed operations per second does not ramp up past the specified operations
* per second.
*
* @return The maximum number of operations per second allowed by the throttler.
*/
@Nullable
abstract Double getMaxOpsPerSecond();
/**
* @return The {@link ScheduledExecutorService} that BulkWriter uses to schedule all operations.
* If null, the default executor will be used.
*/
@Nullable
abstract ScheduledExecutorService getExecutor();
static Builder builder() {
return new AutoValue_BulkWriterOptions.Builder()
.setMaxOpsPerSecond(null)
.setInitialOpsPerSecond(null)
.setThrottlingEnabled(true)
.setExecutor(null);
}
abstract Builder toBuilder();
@AutoValue.Builder
abstract static class Builder {
/**
* Sets whether throttling should be enabled. By default, throttling is enabled.
*
* @param enabled Whether throttling should be enabled.
*/
abstract Builder setThrottlingEnabled(boolean enabled);
/**
* Set the initial maximum number of operations per second allowed by the throttler.
*
* @param initialOpsPerSecond The initial maximum number of operations per second allowed by the
* throttler.
*/
abstract Builder setInitialOpsPerSecond(@Nullable Double initialOpsPerSecond);
/**
* Set the initial maximum number of operations per second allowed by the throttler.
*
* @param initialOpsPerSecond The initial maximum number of operations per second allowed by the
* throttler.
*/
Builder setInitialOpsPerSecond(int initialOpsPerSecond) {
return setInitialOpsPerSecond(new Double(initialOpsPerSecond));
}
/**
* Set the maximum number of operations per second allowed by the throttler.
*
* @param maxOpsPerSecond The maximum number of operations per second allowed by the throttler.
* The throttler's allowed operations per second does not ramp up past the specified
* operations per second.
*/
abstract Builder setMaxOpsPerSecond(@Nullable Double maxOpsPerSecond);
/**
* Set the maximum number of operations per second allowed by the throttler.
*
* @param maxOpsPerSecond The maximum number of operations per second allowed by the throttler.
* The throttler's allowed operations per second does not ramp up past the specified
* operations per second.
*/
Builder setMaxOpsPerSecond(int maxOpsPerSecond) {
return setMaxOpsPerSecond(new Double(maxOpsPerSecond));
}
/**
* Set the executor that the BulkWriter instance schedules operations on.
*
* @param executor The executor to schedule BulkWriter operations on.
*/
abstract Builder setExecutor(@Nullable ScheduledExecutorService executor);
abstract BulkWriterOptions autoBuild();
BulkWriterOptions build() {
BulkWriterOptions options = autoBuild();
Double initialRate = options.getInitialOpsPerSecond();
Double maxRate = options.getMaxOpsPerSecond();
if (initialRate != null && initialRate < 1) {
throw FirestoreException.invalidState(
"Value for argument 'initialOpsPerSecond' must be greater than 1, but was: "
+ initialRate.intValue());
}
if (maxRate != null && maxRate < 1) {
throw FirestoreException.invalidState(
"Value for argument 'maxOpsPerSecond' must be greater than 1, but was: "
+ maxRate.intValue());
}
if (maxRate != null && initialRate != null && initialRate > maxRate) {
throw FirestoreException.invalidState(
"'maxOpsPerSecond' cannot be less than 'initialOpsPerSecond'.");
}
if (!options.getThrottlingEnabled() && (maxRate != null || initialRate != null)) {
throw FirestoreException.invalidState(
"Cannot set 'initialOpsPerSecond' or 'maxOpsPerSecond' when 'throttlingEnabled' is set to false.");
}
return options;
}
}
}