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Refactor origin inventory builder #78
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mikkokar
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ExpediaGroup:master
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mikkokar:refactor-origin-inventory-builder
Jan 26, 2018
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75 changes: 75 additions & 0 deletions
75
components/client/src/main/java/com/hotels/styx/client/connectionpool/ConnectionPools.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /** | ||
| * Copyright (C) 2013-2018 Expedia Inc. | ||
| * | ||
| * 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.hotels.styx.client.connectionpool; | ||
|
|
||
| import com.hotels.styx.api.client.ConnectionPool; | ||
| import com.hotels.styx.api.client.Origin; | ||
| import com.hotels.styx.api.metrics.MetricRegistry; | ||
| import com.hotels.styx.client.OriginStatsFactory; | ||
| import com.hotels.styx.client.applications.BackendService; | ||
| import com.hotels.styx.client.netty.connectionpool.NettyConnectionFactory; | ||
|
|
||
| import static com.hotels.styx.client.connectionpool.ConnectionPoolSettings.defaultConnectionPoolSettings; | ||
|
|
||
| /** | ||
| * Helper routines for building connection pools with default settings. | ||
| */ | ||
| public final class ConnectionPools { | ||
| private ConnectionPools() { | ||
| } | ||
|
|
||
| public static ConnectionPool poolForOrigin(Origin origin) { | ||
| return new SimpleConnectionPool(origin, defaultConnectionPoolSettings(), new NettyConnectionFactory.Builder().build()); | ||
| } | ||
|
|
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| public static ConnectionPool.Factory simplePoolFactory() { | ||
| return ConnectionPools::poolForOrigin; | ||
| } | ||
|
|
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| public static ConnectionPool poolForOrigin(Origin origin, MetricRegistry metricRegistry) { | ||
| return new StatsReportingConnectionPool( | ||
| new SimpleConnectionPool( | ||
| origin, | ||
| defaultConnectionPoolSettings(), | ||
| new NettyConnectionFactory.Builder() | ||
| .originStatsFactory(new OriginStatsFactory(metricRegistry)) | ||
| .build()), | ||
| metricRegistry); | ||
| } | ||
|
|
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| private static ConnectionPool poolForOrigin(Origin origin, MetricRegistry metricRegistry, NettyConnectionFactory connectionFactory) { | ||
| return new StatsReportingConnectionPool( | ||
| new SimpleConnectionPool( | ||
| origin, | ||
| defaultConnectionPoolSettings(), | ||
| connectionFactory), | ||
| metricRegistry | ||
| ); | ||
| } | ||
|
|
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| public static ConnectionPool.Factory simplePoolFactory(MetricRegistry metricRegistry) { | ||
| return origin -> poolForOrigin(origin, metricRegistry); | ||
| } | ||
|
|
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| public static ConnectionPool.Factory simplePoolFactory(BackendService backendService, MetricRegistry metricRegistry) { | ||
| NettyConnectionFactory connectionFactory = new NettyConnectionFactory.Builder() | ||
| .originStatsFactory(new OriginStatsFactory(metricRegistry)) | ||
| .responseTimeoutMillis(backendService.responseTimeoutMillis()) | ||
| .build(); | ||
|
|
||
| return origin -> poolForOrigin(origin, metricRegistry, connectionFactory); | ||
| } | ||
| } |
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I think the
setOrigins(Set<Origin>)method can be private, andsetOrigins(Origin...)can be package-private.There was a problem hiding this comment.
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Hi Kyle. The
setOrigins(Set<Origin>)is nowadays public. This is because the inventory by design will manage the state for the origins, and thesetOriginsprovides a way to push more origins into the inventory.