/*
* 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.facebook.presto.hive.metastore;
import com.google.common.collect.ImmutableMap;
import javax.annotation.concurrent.Immutable;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Optional;
import static java.util.Objects.requireNonNull;
@Immutable
public class Database
{
public static final String DEFAULT_DATABASE_NAME = "default";
private final String databaseName;
private final Optional<String> location;
private final String ownerName;
private final PrincipalType ownerType;
private final Optional<String> comment;
private final Map<String, String> parameters;
public Database(String databaseName,
Optional<String> location,
String ownerName,
PrincipalType ownerType,
Optional<String> comment,
Map<String, String> parameters)
{
this.databaseName = requireNonNull(databaseName, "databaseName is null");
this.location = requireNonNull(location, "location is null");
this.ownerName = requireNonNull(ownerName, "ownerName is null");
this.ownerType = requireNonNull(ownerType, "ownerType is null");
this.comment = requireNonNull(comment, "comment is null");
this.parameters = ImmutableMap.copyOf(requireNonNull(parameters, "parameters is null"));
}
public String getDatabaseName()
{
return databaseName;
}
public Optional<String> getLocation()
{
return location;
}
public String getOwnerName()
{
return ownerName;
}
public PrincipalType getOwnerType()
{
return ownerType;
}
public Optional<String> getComment()
{
return comment;
}
public Map<String, String> getParameters()
{
return parameters;
}
public static Builder builder()
{
return new Builder();
}
public static Builder builder(Database database)
{
return new Builder(database);
}
public static class Builder
{
private String databaseName;
private Optional<String> location = Optional.empty();
private String ownerName;
private PrincipalType ownerType;
private Optional<String> comment = Optional.empty();
private Map<String, String> parameters = new LinkedHashMap<>();
public Builder() {}
public Builder(Database database)
{
this.databaseName = database.databaseName;
this.location = database.location;
this.ownerName = database.ownerName;
this.ownerType = database.ownerType;
this.comment = database.comment;
this.parameters = database.parameters;
}
public Builder setDatabaseName(String databaseName)
{
requireNonNull(databaseName, "databaseName is null");
this.databaseName = databaseName;
return this;
}
public Builder setLocation(Optional<String> location)
{
requireNonNull(location, "location is null");
this.location = location;
return this;
}
public Builder setOwnerName(String ownerName)
{
requireNonNull(ownerName, "ownerName is null");
this.ownerName = ownerName;
return this;
}
public Builder setOwnerType(PrincipalType ownerType)
{
requireNonNull(ownerType, "ownerType is null");
this.ownerType = ownerType;
return this;
}
public Builder setComment(Optional<String> comment)
{
requireNonNull(comment, "comment is null");
this.comment = comment;
return this;
}
public Builder setParameters(Map<String, String> parameters)
{
requireNonNull(parameters, "parameters is null");
this.parameters = parameters;
return this;
}
public Database build()
{
return new Database(
databaseName,
location,
ownerName,
ownerType,
comment,
parameters);
}
}
}