mirror of https://github.com/YTVanced/VancedMicroG
40 lines
1.4 KiB
Java
40 lines
1.4 KiB
Java
/*
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* Copyright (C) 2013-2017 microG Project Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.gms.common.data;
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public interface Freezable<T> {
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/**
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* Freeze a volatile representation into an immutable representation. Objects returned from
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* this call are safe to cache.
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* <p/>
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* Note that the output of {@link #freeze} may not be identical to the parent object, but
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* should be equal.
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*
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* @return A concrete implementation of the data object.
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*/
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T freeze();
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/**
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* Check to see if this object is valid for use. If the object is still volatile, this method
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* will indicate whether or not the object can be safely used.
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* The output of a call to {@link #freeze()} will always be valid.
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*
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* @return whether or not the object is valid for use.
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*/
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boolean isDataValid();
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}
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