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Spike on a new API for Kafka Streams support
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Calderwood
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May 16, 2019
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62 changes: 2 additions & 60 deletions
62
...ams/src/main/java/io/micronaut/configuration/kafka/streams/KafkaStreamsConfiguration.java
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Original file line number | Diff line number | Diff line change |
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@@ -1,65 +1,7 @@ | ||
/* | ||
* Copyright 2017-2019 original 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.micronaut.configuration.kafka.streams; | ||
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import io.micronaut.configuration.kafka.config.KafkaDefaultConfiguration; | ||
import io.micronaut.context.annotation.EachProperty; | ||
import io.micronaut.context.annotation.Parameter; | ||
import io.micronaut.context.annotation.Requires; | ||
import io.micronaut.context.env.Environment; | ||
import io.micronaut.core.naming.NameUtils; | ||
import io.micronaut.runtime.ApplicationConfiguration; | ||
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import java.util.Properties; | ||
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import static io.micronaut.configuration.kafka.streams.KafkaStreamsConfiguration.PREFIX; | ||
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/** | ||
* The default configuration passed to {@link org.apache.kafka.streams.KafkaStreams}. | ||
* | ||
* @param <K> The generic key type | ||
* @param <V> The generic value type | ||
*/ | ||
@EachProperty(value = PREFIX, primary = "default") | ||
@Requires(beans = KafkaDefaultConfiguration.class) | ||
public class KafkaStreamsConfiguration<K, V> extends AbstractKafkaStreamsConfiguration<K, V> { | ||
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/** | ||
* The default streams configuration. | ||
*/ | ||
public static final String PREFIX = "kafka.streams"; | ||
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/** | ||
* Construct a new {@link KafkaStreamsConfiguration} for the given defaults. | ||
* | ||
* @param streamName The stream name | ||
* @param defaultConfiguration The default configuration | ||
* @param applicationConfiguration The application configuration | ||
* @param environment The environment | ||
*/ | ||
public KafkaStreamsConfiguration( | ||
@Parameter String streamName, | ||
KafkaDefaultConfiguration defaultConfiguration, | ||
ApplicationConfiguration applicationConfiguration, | ||
Environment environment) { | ||
super(defaultConfiguration); | ||
Properties config = getConfig(); | ||
String propertyKey = PREFIX + '.' + NameUtils.hyphenate(streamName, true); | ||
config.putAll(environment.getProperty(propertyKey, Properties.class).orElseGet(Properties::new)); | ||
init(applicationConfiguration, environment, config); | ||
} | ||
public interface KafkaStreamsConfiguration { | ||
Properties getConfig(); | ||
} |
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65 changes: 65 additions & 0 deletions
65
...rc/main/java/io/micronaut/configuration/kafka/streams/NamedKafkaStreamsConfiguration.java
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,65 @@ | ||
/* | ||
* Copyright 2017-2019 original 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.micronaut.configuration.kafka.streams; | ||
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import io.micronaut.configuration.kafka.config.KafkaDefaultConfiguration; | ||
import io.micronaut.context.annotation.EachProperty; | ||
import io.micronaut.context.annotation.Parameter; | ||
import io.micronaut.context.annotation.Requires; | ||
import io.micronaut.context.env.Environment; | ||
import io.micronaut.core.naming.NameUtils; | ||
import io.micronaut.runtime.ApplicationConfiguration; | ||
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import java.util.Properties; | ||
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import static io.micronaut.configuration.kafka.streams.NamedKafkaStreamsConfiguration.PREFIX; | ||
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/** | ||
* The default configuration passed to {@link org.apache.kafka.streams.KafkaStreams}. | ||
* | ||
* @param <K> The generic key type | ||
* @param <V> The generic value type | ||
*/ | ||
@EachProperty(value = PREFIX, primary = "default") | ||
@Requires(beans = KafkaDefaultConfiguration.class) | ||
public class NamedKafkaStreamsConfiguration<K, V> extends AbstractKafkaStreamsConfiguration<K, V> { | ||
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/** | ||
* The default streams configuration. | ||
*/ | ||
public static final String PREFIX = "kafka.streams"; | ||
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/** | ||
* Construct a new {@link NamedKafkaStreamsConfiguration} for the given defaults. | ||
* | ||
* @param streamName The stream name | ||
* @param defaultConfiguration The default configuration | ||
* @param applicationConfiguration The application configuration | ||
* @param environment The environment | ||
*/ | ||
public NamedKafkaStreamsConfiguration( | ||
@Parameter String streamName, | ||
KafkaDefaultConfiguration defaultConfiguration, | ||
ApplicationConfiguration applicationConfiguration, | ||
Environment environment) { | ||
super(defaultConfiguration); | ||
Properties config = getConfig(); | ||
String propertyKey = PREFIX + '.' + NameUtils.hyphenate(streamName, true); | ||
config.putAll(environment.getProperty(propertyKey, Properties.class).orElseGet(Properties::new)); | ||
init(applicationConfiguration, environment, config); | ||
} | ||
} |