org.apache.kafka.image.ConfigurationImage Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.kafka.image;
import org.apache.kafka.common.config.ConfigResource;
import org.apache.kafka.common.metadata.ConfigRecord;
import org.apache.kafka.image.node.ConfigurationImageNode;
import org.apache.kafka.image.writer.ImageWriter;
import org.apache.kafka.image.writer.ImageWriterOptions;
import java.util.Collections;
import java.util.Map;
import java.util.Objects;
import java.util.Properties;
/**
* Represents the configuration of a resource.
*
* This class is thread-safe.
*/
public final class ConfigurationImage {
private final ConfigResource resource;
private final Map data;
public ConfigurationImage(
ConfigResource resource,
Map data
) {
this.resource = resource;
this.data = data;
}
public ConfigResource resource() {
return resource;
}
public Map data() {
return data;
}
public boolean isEmpty() {
return data.isEmpty();
}
public Properties toProperties() {
Properties properties = new Properties();
properties.putAll(data);
return properties;
}
public Map toMap() {
return Collections.unmodifiableMap(data);
}
public void write(
ConfigResource configResource,
ImageWriter writer,
ImageWriterOptions options
) {
for (Map.Entry entry : data.entrySet()) {
writer.write(0, new ConfigRecord().
setResourceType(configResource.type().id()).
setResourceName(configResource.name()).
setName(entry.getKey()).
setValue(entry.getValue()));
}
}
@Override
public boolean equals(Object o) {
if (!(o instanceof ConfigurationImage)) return false;
ConfigurationImage other = (ConfigurationImage) o;
return data.equals(other.data);
}
@Override
public int hashCode() {
return Objects.hash(data);
}
@Override
public String toString() {
return new ConfigurationImageNode(this).stringify();
}
}