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// Copyright 2019 Tyler Neely
//
// 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.

use crate::{handle::Handle, ColumnFamily, Options};

/// A descriptor for a RocksDB column family.
///
/// A description of the column family, containing the name and `Options`.
#[derive(Clone)]
pub struct ColumnFamilyDescriptor {
    pub name: String,
    pub options: Options,
}

impl ColumnFamilyDescriptor {
    /// Create a new column family descriptor with the specified name and options.
    pub fn new<S>(name: S, options: Options) -> Self
    where
        S: Into<String>,
    {
        ColumnFamilyDescriptor {
            name: name.into(),
            options,
        }
    }

    pub fn name(&self) -> &str {
        &self.name
    }
}

impl ColumnFamily {
    pub(crate) fn new(handle: *mut ffi::rocksdb_column_family_handle_t) -> ColumnFamily {
        ColumnFamily { inner: handle }
    }
}

impl Handle<ffi::rocksdb_column_family_handle_t> for ColumnFamily {
    fn handle(&self) -> *mut ffi::rocksdb_column_family_handle_t {
        self.inner
    }
}