kafka ClientQuotaFilter 源码
kafka ClientQuotaFilter 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/quota/ClientQuotaFilter.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.quota;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;
/**
* Describes a client quota entity filter.
*/
public class ClientQuotaFilter {
private final Collection<ClientQuotaFilterComponent> components;
private final boolean strict;
/**
* A filter to be applied to matching client quotas.
*
* @param components the components to filter on
* @param strict whether the filter only includes specified components
*/
private ClientQuotaFilter(Collection<ClientQuotaFilterComponent> components, boolean strict) {
this.components = components;
this.strict = strict;
}
/**
* Constructs and returns a quota filter that matches all provided components. Matching entities
* with entity types that are not specified by a component will also be included in the result.
*
* @param components the components for the filter
*/
public static ClientQuotaFilter contains(Collection<ClientQuotaFilterComponent> components) {
return new ClientQuotaFilter(components, false);
}
/**
* Constructs and returns a quota filter that matches all provided components. Matching entities
* with entity types that are not specified by a component will *not* be included in the result.
*
* @param components the components for the filter
*/
public static ClientQuotaFilter containsOnly(Collection<ClientQuotaFilterComponent> components) {
return new ClientQuotaFilter(components, true);
}
/**
* Constructs and returns a quota filter that matches all configured entities.
*/
public static ClientQuotaFilter all() {
return new ClientQuotaFilter(Collections.emptyList(), false);
}
/**
* @return the filter's components
*/
public Collection<ClientQuotaFilterComponent> components() {
return this.components;
}
/**
* @return whether the filter is strict, i.e. only includes specified components
*/
public boolean strict() {
return this.strict;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ClientQuotaFilter that = (ClientQuotaFilter) o;
return Objects.equals(components, that.components) && Objects.equals(strict, that.strict);
}
@Override
public int hashCode() {
return Objects.hash(components, strict);
}
@Override
public String toString() {
return "ClientQuotaFilter(components=" + components + ", strict=" + strict + ")";
}
}
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