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Support parameters in KafkaTopicsConfig #809
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76 changes: 76 additions & 0 deletions
76
...src/main/java/io/aklivity/zilla/runtime/binding/kafka/internal/config/KafkaTopicType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /* | ||
| * Copyright 2021-2023 Aklivity Inc. | ||
| * | ||
| * Aklivity licenses this file to you 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.aklivity.zilla.runtime.binding.kafka.internal.config; | ||
|
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| import java.util.Optional; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
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| import io.aklivity.zilla.runtime.binding.kafka.config.KafkaTopicConfig; | ||
| import io.aklivity.zilla.runtime.engine.EngineContext; | ||
| import io.aklivity.zilla.runtime.engine.model.ConverterHandler; | ||
|
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| public class KafkaTopicType | ||
| { | ||
| public static final KafkaTopicType DEFAULT_TOPIC_TYPE = new KafkaTopicType(); | ||
|
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| public final ConverterHandler keyReader; | ||
| public final ConverterHandler keyWriter; | ||
| public final ConverterHandler valueReader; | ||
| public final ConverterHandler valueWriter; | ||
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| private final Matcher topicMatch; | ||
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| private KafkaTopicType() | ||
| { | ||
| this.topicMatch = null; | ||
| this.keyReader = ConverterHandler.NONE; | ||
| this.keyWriter = ConverterHandler.NONE; | ||
| this.valueReader = ConverterHandler.NONE; | ||
| this.valueWriter = ConverterHandler.NONE; | ||
| } | ||
|
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| public KafkaTopicType( | ||
| EngineContext context, | ||
| KafkaTopicConfig topicConfig) | ||
| { | ||
| this.topicMatch = topicConfig.name != null ? asMatcher(topicConfig.name) : null; | ||
| this.keyReader = Optional.ofNullable(topicConfig.key) | ||
| .map(context::supplyReadConverter) | ||
| .orElse(ConverterHandler.NONE); | ||
| this.keyWriter = Optional.ofNullable(topicConfig.key) | ||
| .map(context::supplyWriteConverter) | ||
| .orElse(ConverterHandler.NONE); | ||
| this.valueReader = Optional.ofNullable(topicConfig.value) | ||
| .map(context::supplyReadConverter) | ||
| .orElse(ConverterHandler.NONE); | ||
| this.valueWriter = Optional.ofNullable(topicConfig.value) | ||
| .map(context::supplyWriteConverter) | ||
| .orElse(ConverterHandler.NONE); | ||
| } | ||
|
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| public boolean matches( | ||
| String topic) | ||
| { | ||
| return this.topicMatch == null || this.topicMatch.reset(topic).matches(); | ||
| } | ||
|
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| private static Matcher asMatcher( | ||
| String topic) | ||
| { | ||
| return Pattern.compile(topic.replaceAll("\\{[^}]+\\}", ".+")).matcher(""); | ||
| } | ||
| } |
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65 changes: 65 additions & 0 deletions
65
...aklivity/zilla/specs/binding/kafka/config/cache.options.parameterized.topic.validate.yaml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| # | ||
| # Copyright 2021-2023 Aklivity Inc. | ||
| # | ||
| # Aklivity licenses this file to you 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. | ||
| # | ||
|
|
||
| --- | ||
| name: test | ||
| catalogs: | ||
| test0: | ||
| type: test | ||
| options: | ||
| id: 1 | ||
| schema: | | ||
| { | ||
| "fields": [ | ||
| { | ||
| "name": "id", | ||
| "type": "string" | ||
| }, | ||
| { | ||
| "name": "status", | ||
| "type": "string" | ||
| } | ||
| ], | ||
| "name": "Event", | ||
| "namespace": "io.aklivity.example", | ||
| "type": "record" | ||
| } | ||
| bindings: | ||
| app0: | ||
| type: kafka | ||
| kind: cache_client | ||
| routes: | ||
| - exit: cache0 | ||
| when: | ||
| - topic: test.* | ||
| cache0: | ||
| type: kafka | ||
| kind: cache_server | ||
| options: | ||
| topics: | ||
| - name: test.{id} | ||
|
bmaidics marked this conversation as resolved.
|
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| value: | ||
| model: test | ||
| capability: read | ||
| length: 13 | ||
| catalog: | ||
| test0: | ||
| - id: 1 | ||
| routes: | ||
| - exit: app1 | ||
| when: | ||
| - topic: test.* | ||
|
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