hu.icellmobilsoft.coffee.module.redisstream.annotation.RedisStreamProducer Maven / Gradle / Ivy
/*-
* #%L
* Coffee
* %%
* Copyright (C) 2020 i-Cell Mobilsoft Zrt.
* %%
* 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.
* #L%
*/
package hu.icellmobilsoft.coffee.module.redisstream.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.enterprise.util.AnnotationLiteral;
import javax.enterprise.util.Nonbinding;
import javax.inject.Qualifier;
import hu.icellmobilsoft.coffee.module.redis.annotation.RedisConnection;
import hu.icellmobilsoft.coffee.module.redisstream.config.StreamGroupConfig;
/**
* Stream producer pointer and definition. Example:
*
*
* @Inject
* @RedisStreamProducer(configKey = "sample", group = "streamGroup")
* private RedisStreamHandler redisStreamHandler;
* ...
* redisStreamHandler.publish(string);
*
*
* @author imre.scheffer
* @since 1.3.0
*
*/
@Target({ ElementType.FIELD, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@Qualifier
public @interface RedisStreamProducer {
/**
* Config key of the desired redis connection.
* ie. if connection details are defined in the project-*.yml by the keys: {@code coffee.redis.auth.*=...} then configKey should be "auth"
*
* @see RedisConnection#configKey()
*
* @return config key
*/
@Nonbinding
String configKey();
/**
* Stream consumer group name. This is name for group and also key for konfigurable values for {@link StreamGroupConfig}
*
* @return group name for redis stream in redis
*/
@Nonbinding
String group();
/**
* Default empty literal
*/
AnnotationLiteral LITERAL = new Literal("", "");
/**
* AnnotationLiteral for RedisStreamProducer annotation
*
* @author imre.scheffer
* @since 1.3.0
*/
final class Literal extends AnnotationLiteral implements RedisStreamProducer {
private static final long serialVersionUID = 1L;
final String configKey;
final String group;
public Literal(String configKey, String group) {
super();
this.configKey = configKey;
this.group = group;
}
@Nonbinding
@Override
public String configKey() {
return configKey;
}
@Nonbinding
@Override
public String group() {
return group;
}
}
}