/*
* Copyright 2000-2009 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.openapi.diff.impl.patch;
import com.google.common.collect.Ordering;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.Nullable;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
public enum ApplyPatchStatus {
SUCCESS, PARTIAL, ALREADY_APPLIED, SKIP, FAILURE, ABORT;
static final List<ApplyPatchStatus> ORDERED_TYPES = Arrays.asList(
SKIP,
SUCCESS,
ALREADY_APPLIED,
PARTIAL,
FAILURE,
ABORT
);
//ALREADY_APPLY with SUCCESS should be PARTIAL by historical reasons
static final Set<ApplyPatchStatus> PARTIAL_ADDITIONAL_SET = ContainerUtil.newHashSet(SUCCESS, ALREADY_APPLIED);
private static final Ordering<ApplyPatchStatus> ORDERING = Ordering.explicit(ORDERED_TYPES).nullsFirst();
@Nullable
public static ApplyPatchStatus and(@Nullable ApplyPatchStatus lhs, @Nullable ApplyPatchStatus rhs) {
Set<ApplyPatchStatus> statuses = ContainerUtil.newHashSet(lhs, rhs);
if (PARTIAL_ADDITIONAL_SET.equals(statuses)) return PARTIAL;
return ORDERING.max(lhs, rhs);
}
}