PrivilegeRequestBuilder.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 com.google.common.base.Preconditions;

public class PrivilegeRequestBuilder {
  Authorizeable authorizeable_;
  Privilege privilege_;

  public PrivilegeRequestBuilder onTable(String dbName, String tableName) {
    authorizeable_ = new AuthorizeableTable(dbName, tableName);
    return this;
  }

  public PrivilegeRequestBuilder onDb(String dbName) {
    authorizeable_ = new AuthorizeableDb(dbName);
    return this;
  }

  public PrivilegeRequestBuilder onURI(String uriName) {
    authorizeable_ = new AuthorizeableUri(uriName);
    return this;
  }

  public PrivilegeRequestBuilder onAnyTable(String dbName) {
    return onTable(dbName, AuthorizeableTable.ANY_TABLE_NAME);
  }

  public PrivilegeRequestBuilder allOf(Privilege privilege) {
    privilege_ = privilege;
    return this;
  }

  public PrivilegeRequestBuilder all() {
    privilege_ = Privilege.ALL;
    return this;
  }

  public PrivilegeRequestBuilder any() {
    privilege_ = Privilege.ANY;
    return this;
  }

  public PrivilegeRequest toRequest() {
    Preconditions.checkNotNull(authorizeable_);
    Preconditions.checkNotNull(privilege_);
    return new PrivilegeRequest(authorizeable_, privilege_);
  }
}