com.cloudera.impala.authorization.AuthorizeableServer.java Source code

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Here is the source code for com.cloudera.impala.authorization.AuthorizeableServer.java

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// Copyright 2013 Cloudera Inc.
//
// Licensed 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 com.cloudera.impala.authorization;

import java.util.List;

import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.collect.Lists;

/**
 * Class used to authorize access at the catalog level. Generally, all Impala
 * services in the cluster will be configured with the same catalog name.
 * What Sentry refers to as a Server maps to our concept of a Catalog, thus
 * the name AuthorizeableServer.
 */
public class AuthorizeableServer implements Authorizeable {
    private final org.apache.sentry.core.Server server_;

    public AuthorizeableServer(String serverName) {
        Preconditions.checkState(!Strings.isNullOrEmpty(serverName));
        server_ = new org.apache.sentry.core.Server(serverName);
    }

    @Override
    public List<org.apache.sentry.core.Authorizable> getHiveAuthorizeableHierarchy() {
        return Lists.newArrayList((org.apache.sentry.core.Authorizable) server_);
    }

    @Override
    public String getName() {
        return server_.getName();
    }
}