kafka AccessControlEntryData 源码
kafka AccessControlEntryData 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/acl/AccessControlEntryData.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 java.util.Objects;
/**
* An internal, private class which contains the data stored in AccessControlEntry and
* AccessControlEntryFilter objects.
*/
class AccessControlEntryData {
private final String principal;
private final String host;
private final AclOperation operation;
private final AclPermissionType permissionType;
AccessControlEntryData(String principal, String host, AclOperation operation, AclPermissionType permissionType) {
this.principal = principal;
this.host = host;
this.operation = operation;
this.permissionType = permissionType;
}
String principal() {
return principal;
}
String host() {
return host;
}
AclOperation operation() {
return operation;
}
AclPermissionType permissionType() {
return permissionType;
}
/**
* Returns a string describing an ANY or UNKNOWN field, or null if there is
* no such field.
*/
public String findIndefiniteField() {
if (principal() == null)
return "Principal is NULL";
if (host() == null)
return "Host is NULL";
if (operation() == AclOperation.ANY)
return "Operation is ANY";
if (operation() == AclOperation.UNKNOWN)
return "Operation is UNKNOWN";
if (permissionType() == AclPermissionType.ANY)
return "Permission type is ANY";
if (permissionType() == AclPermissionType.UNKNOWN)
return "Permission type is UNKNOWN";
return null;
}
@Override
public String toString() {
return "(principal=" + (principal == null ? "<any>" : principal) +
", host=" + (host == null ? "<any>" : host) +
", operation=" + operation +
", permissionType=" + permissionType + ")";
}
/**
* Return true if there are any UNKNOWN components.
*/
boolean isUnknown() {
return operation.isUnknown() || permissionType.isUnknown();
}
@Override
public boolean equals(Object o) {
if (!(o instanceof AccessControlEntryData))
return false;
AccessControlEntryData other = (AccessControlEntryData) o;
return Objects.equals(principal, other.principal) &&
Objects.equals(host, other.host) &&
Objects.equals(operation, other.operation) &&
Objects.equals(permissionType, other.permissionType);
}
@Override
public int hashCode() {
return Objects.hash(principal, host, operation, permissionType);
}
}
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