io.datarouter.filesystem.snapshot.group.dto.SnapshotWriteResult Maven / Gradle / Ivy
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/*
* Copyright © 2009 HotPads ([email protected])
*
* 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 io.datarouter.filesystem.snapshot.group.dto;
import java.util.Optional;
import io.datarouter.filesystem.snapshot.block.root.RootBlock;
import io.datarouter.filesystem.snapshot.key.SnapshotKey;
import io.datarouter.util.Require;
public class SnapshotWriteResult{
public final SnapshotKey key;
public final boolean success;
public final Optional optRoot;
private SnapshotWriteResult(SnapshotKey key, boolean success, RootBlock root){
this.key = key;
this.success = success;
this.optRoot = Optional.ofNullable(root);
}
public static SnapshotWriteResult success(SnapshotKey key, RootBlock root){
return new SnapshotWriteResult(key, true, root);
}
public static SnapshotWriteResult empty(SnapshotKey key){
return new SnapshotWriteResult(key, false, null);
}
public static SnapshotWriteResult failure(SnapshotKey key){
return new SnapshotWriteResult(key, false, null);
}
public void assertSuccess(){
Require.isTrue(success);
}
public SnapshotKeyAndRoot toSnapshotKeyAndRoot(){
return new SnapshotKeyAndRoot(key, optRoot.orElseThrow());
}
}