org.apache.hadoop.hive.ql.security.authorization.Privilege 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.hadoop.hive.ql.security.authorization;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
/**
* Privilege defines a privilege in Hive. Each privilege has a name and scope associated with it.
* This class contains all of the predefined privileges in Hive.
*/
public class Privilege {
private PrivilegeType priv;
private EnumSet supportedScopeSet;
private Privilege(PrivilegeType priv, EnumSet scopeSet) {
super();
this.priv = priv;
this.supportedScopeSet = scopeSet;
}
public Privilege(PrivilegeType priv) {
super();
this.priv = priv;
}
public PrivilegeType getPriv() {
return priv;
}
public void setPriv(PrivilegeType priv) {
this.priv = priv;
}
public boolean supportColumnLevel() {
return supportedScopeSet != null
&& supportedScopeSet.contains(PrivilegeScope.COLUMN_LEVEL_SCOPE);
}
public boolean supportDBLevel() {
return supportedScopeSet != null
&& supportedScopeSet.contains(PrivilegeScope.DB_LEVEL_SCOPE);
}
public boolean supportTableLevel() {
return supportedScopeSet != null
&& supportedScopeSet.contains(PrivilegeScope.TABLE_LEVEL_SCOPE);
}
public List getScopeList() {
if (supportedScopeSet == null) {
return null;
}
List scopes = new ArrayList();
for (PrivilegeScope scope : supportedScopeSet) {
scopes.add(scope.name());
}
return scopes;
}
@Override
public String toString() {
return this.getPriv().toString();
}
public Privilege() {
}
public static Privilege ALL = new Privilege(PrivilegeType.ALL,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege ALTER_METADATA = new Privilege(PrivilegeType.ALTER_METADATA,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege ALTER_DATA = new Privilege(PrivilegeType.ALTER_DATA,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege CREATE = new Privilege(PrivilegeType.CREATE,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege DROP = new Privilege(PrivilegeType.DROP,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege INDEX = new Privilege(PrivilegeType.INDEX,
PrivilegeScope.ALLSCOPE);
public static Privilege LOCK = new Privilege(PrivilegeType.LOCK,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege SELECT = new Privilege(PrivilegeType.SELECT,
PrivilegeScope.ALLSCOPE);
public static Privilege INSERT = new Privilege(PrivilegeType.INSERT,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege DELETE = new Privilege(PrivilegeType.DELETE,
PrivilegeScope.ALLSCOPE_EXCEPT_COLUMN);
public static Privilege SHOW_DATABASE = new Privilege(PrivilegeType.SHOW_DATABASE,
EnumSet.of(PrivilegeScope.USER_LEVEL_SCOPE));
}