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Add support for multiple event listeners
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53 changes: 53 additions & 0 deletions
53
presto-main/src/main/java/com/facebook/presto/eventlistener/EventListenerConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package com.facebook.presto.eventlistener; | ||
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| import com.facebook.airlift.configuration.Config; | ||
| import com.google.common.base.Splitter; | ||
| import com.google.common.collect.ImmutableList; | ||
|
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| import javax.validation.constraints.NotNull; | ||
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| import java.io.File; | ||
| import java.util.List; | ||
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| import static com.google.common.collect.ImmutableList.toImmutableList; | ||
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| public class EventListenerConfig | ||
| { | ||
| private static final Splitter SPLITTER = Splitter.on(',').trimResults().omitEmptyStrings(); | ||
| private List<File> eventListenerFiles = ImmutableList.of(); | ||
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| @NotNull | ||
| public List<File> getEventListenerFiles() | ||
| { | ||
| return eventListenerFiles; | ||
| } | ||
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| @Config("event-listener.config-files") | ||
| public EventListenerConfig setEventListenerFiles(String eventListenerFiles) | ||
| { | ||
| this.eventListenerFiles = SPLITTER.splitToList(eventListenerFiles).stream() | ||
| .map(File::new) | ||
| .collect(toImmutableList()); | ||
| return this; | ||
| } | ||
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| public EventListenerConfig setEventListenerFiles(List<File> eventListenerFiles) | ||
| { | ||
| this.eventListenerFiles = ImmutableList.copyOf(eventListenerFiles); | ||
| return this; | ||
| } | ||
| } |
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55 changes: 55 additions & 0 deletions
55
presto-main/src/test/java/com/facebook/presto/eventlistener/TestEventListenerConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package com.facebook.presto.eventlistener; | ||
|
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| import com.google.common.collect.ImmutableList; | ||
| import com.google.common.collect.ImmutableMap; | ||
| import org.testng.annotations.Test; | ||
|
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| import java.io.File; | ||
| import java.util.Map; | ||
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| import static com.facebook.airlift.configuration.testing.ConfigAssertions.assertFullMapping; | ||
| import static com.facebook.airlift.configuration.testing.ConfigAssertions.assertRecordedDefaults; | ||
| import static com.facebook.airlift.configuration.testing.ConfigAssertions.recordDefaults; | ||
| public class TestEventListenerConfig | ||
| { | ||
| @Test | ||
| public void testDefaults() | ||
| { | ||
| assertRecordedDefaults(recordDefaults(EventListenerConfig.class) | ||
| .setEventListenerFiles("")); | ||
| } | ||
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| @Test | ||
| public void testExplicitPropertyMappings() | ||
| { | ||
| Map<String, String> properties = new ImmutableMap.Builder<String, String>() | ||
| .put("event-listener.config-files", "a,b,c") | ||
| .build(); | ||
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| EventListenerConfig expected = new EventListenerConfig() | ||
| .setEventListenerFiles("a,b,c"); | ||
| assertFullMapping(properties, expected); | ||
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| ImmutableList.Builder<File> filesBuilder = ImmutableList.builder(); | ||
| filesBuilder.add(new File("a"), new File("b"), new File("c")); | ||
| //Test List version | ||
| expected = new EventListenerConfig() | ||
| .setEventListenerFiles(filesBuilder.build()); | ||
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| assertFullMapping(properties, expected); | ||
| } | ||
| } |
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