33 lines
1.2 KiB
Rust
33 lines
1.2 KiB
Rust
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// Copyright 2018 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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/// Cache traits.
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use std::collections::{
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BTreeSet,
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};
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use ::{
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Entid,
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Schema,
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TypedValue,
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};
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pub trait CachedAttributes {
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fn is_attribute_cached_reverse(&self, entid: Entid) -> bool;
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fn is_attribute_cached_forward(&self, entid: Entid) -> bool;
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fn get_values_for_entid(&self, schema: &Schema, attribute: Entid, entid: Entid) -> Option<&Vec<TypedValue>>;
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fn get_value_for_entid(&self, schema: &Schema, attribute: Entid, entid: Entid) -> Option<&TypedValue>;
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/// Reverse lookup.
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fn get_entid_for_value(&self, attribute: Entid, value: &TypedValue) -> Option<Entid>;
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fn get_entids_for_value(&self, attribute: Entid, value: &TypedValue) -> Option<&BTreeSet<Entid>>;
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}
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