| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.om.helpers; |
| |
| import com.google.common.base.Preconditions; |
| import org.apache.hadoop.ozone.OzoneAcl; |
| import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.PrefixInfo; |
| |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| /** |
| * Wrapper class for Ozone prefix path info, currently mainly target for ACL but |
| * can be extended for other OzFS optimizations in future. |
| */ |
| // TODO: support Auditable interface |
| public final class OmPrefixInfo extends WithMetadata { |
| |
| private String name; |
| private List<OzoneAcl> acls; |
| |
| public OmPrefixInfo(String name, List<OzoneAcl> acls, |
| Map<String, String> metadata) { |
| this.name = name; |
| this.acls = acls; |
| this.metadata = metadata; |
| } |
| |
| /** |
| * Returns the ACL's associated with this prefix. |
| * @return {@literal List<OzoneAcl>} |
| */ |
| public List<OzoneAcl> getAcls() { |
| return acls; |
| } |
| |
| public boolean addAcl(OzoneAcl acl) { |
| return OzoneAclUtil.addAcl(acls, acl); |
| } |
| |
| public boolean removeAcl(OzoneAcl acl) { |
| return OzoneAclUtil.removeAcl(acls, acl); |
| } |
| |
| public boolean setAcls(List<OzoneAcl> newAcls) { |
| return OzoneAclUtil.setAcl(acls, newAcls); |
| } |
| |
| /** |
| * Returns the name of the prefix path. |
| * @return name of the prefix path. |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * Returns new builder class that builds a OmPrefixInfo. |
| * |
| * @return Builder |
| */ |
| public static OmPrefixInfo.Builder newBuilder() { |
| return new OmPrefixInfo.Builder(); |
| } |
| |
| /** |
| * Builder for OmPrefixInfo. |
| */ |
| public static class Builder { |
| private String name; |
| private List<OzoneAcl> acls; |
| private Map<String, String> metadata; |
| |
| public Builder() { |
| //Default values |
| this.acls = new LinkedList<>(); |
| this.metadata = new HashMap<>(); |
| } |
| |
| public Builder setAcls(List<OzoneAcl> listOfAcls) { |
| if (listOfAcls != null) { |
| acls.addAll(listOfAcls); |
| } |
| return this; |
| } |
| |
| public Builder setName(String n) { |
| this.name = n; |
| return this; |
| } |
| |
| public OmPrefixInfo.Builder addMetadata(String key, String value) { |
| metadata.put(key, value); |
| return this; |
| } |
| |
| public OmPrefixInfo.Builder addAllMetadata( |
| Map<String, String> additionalMetadata) { |
| if (additionalMetadata != null) { |
| metadata.putAll(additionalMetadata); |
| } |
| return this; |
| } |
| |
| /** |
| * Constructs the OmPrefixInfo. |
| * @return instance of OmPrefixInfo. |
| */ |
| public OmPrefixInfo build() { |
| Preconditions.checkNotNull(name); |
| return new OmPrefixInfo(name, acls, metadata); |
| } |
| } |
| |
| /** |
| * Creates PrefixInfo protobuf from OmPrefixInfo. |
| */ |
| public PrefixInfo getProtobuf() { |
| PrefixInfo.Builder pib = PrefixInfo.newBuilder().setName(name) |
| .addAllMetadata(KeyValueUtil.toProtobuf(metadata)); |
| if (acls != null) { |
| pib.addAllAcls(OzoneAclUtil.toProtobuf(acls)); |
| } |
| return pib.build(); |
| } |
| |
| /** |
| * Parses PrefixInfo protobuf and creates OmPrefixInfo. |
| * @param prefixInfo |
| * @return instance of OmPrefixInfo |
| */ |
| public static OmPrefixInfo getFromProtobuf(PrefixInfo prefixInfo) { |
| OmPrefixInfo.Builder opib = OmPrefixInfo.newBuilder() |
| .setName(prefixInfo.getName()); |
| if (prefixInfo.getMetadataList() != null) { |
| opib.addAllMetadata(KeyValueUtil |
| .getFromProtobuf(prefixInfo.getMetadataList())); |
| } |
| if (prefixInfo.getAclsList() != null) { |
| opib.setAcls(OzoneAclUtil.fromProtobuf(prefixInfo.getAclsList())); |
| } |
| return opib.build(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| OmPrefixInfo that = (OmPrefixInfo) o; |
| return name.equals(that.name) && |
| Objects.equals(acls, that.acls) && |
| Objects.equals(metadata, that.metadata); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(name); |
| } |
| } |
| |