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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.intellij.vcs.log;
import org.jetbrains.annotations.NotNull;
import java.util.Set;
import static com.intellij.vcs.log.VcsLogProvider.Requirements;
/**
* Extension of the standard {@link Requirements} which contains data used by some VCSs. <br/>
* An object of this object is actually passed to {@link #readFirstBlock(com.intellij.util.Consumer}, but VcsLogProviders
* which need this additional information must check for instanceof before casting & be able to fallback.
*/
public interface VcsLogProviderRequirementsEx extends Requirements {
/**
* Tells if this request is made during log initialization, or during refresh
* Returns true if it is refresh; false if it is initialization.
*/
boolean isRefresh();
/**
* Returns the refs which were in the log before the refresh request.
*/
@NotNull
Set<VcsRef> getPreviousRefs();
}
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