kafka AclBinding 源码
kafka AclBinding 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/acl/AclBinding.java
/*
* 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.common.acl;
import org.apache.kafka.common.annotation.InterfaceStability;
import org.apache.kafka.common.resource.ResourcePattern;
import java.util.Objects;
/**
* Represents a binding between a resource pattern and an access control entry.
*
* The API for this class is still evolving and we may break compatibility in minor releases, if necessary.
*/
@InterfaceStability.Evolving
public class AclBinding {
private final ResourcePattern pattern;
private final AccessControlEntry entry;
/**
* Create an instance of this class with the provided parameters.
*
* @param pattern non-null resource pattern.
* @param entry non-null entry
*/
public AclBinding(ResourcePattern pattern, AccessControlEntry entry) {
this.pattern = Objects.requireNonNull(pattern, "pattern");
this.entry = Objects.requireNonNull(entry, "entry");
}
/**
* @return true if this binding has any UNKNOWN components.
*/
public boolean isUnknown() {
return pattern.isUnknown() || entry.isUnknown();
}
/**
* @return the resource pattern for this binding.
*/
public ResourcePattern pattern() {
return pattern;
}
/**
* @return the access control entry for this binding.
*/
public final AccessControlEntry entry() {
return entry;
}
/**
* Create a filter which matches only this AclBinding.
*/
public AclBindingFilter toFilter() {
return new AclBindingFilter(pattern.toFilter(), entry.toFilter());
}
@Override
public String toString() {
return "(pattern=" + pattern + ", entry=" + entry + ")";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AclBinding that = (AclBinding) o;
return Objects.equals(pattern, that.pattern) &&
Objects.equals(entry, that.entry);
}
@Override
public int hashCode() {
return Objects.hash(pattern, entry);
}
}
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