ExternalTablePreloadInfo.java
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 org.apache.doris.nereids;
import org.apache.doris.datasource.ExternalTable;
/** Tracks how a single external table is referenced before metadata preload happens. */
public class ExternalTablePreloadInfo {
private final ExternalTable table;
private boolean hasLatestOnlyRelation;
private boolean hasNonLatestRelation;
public ExternalTablePreloadInfo(ExternalTable table) {
this.table = table;
}
public ExternalTable getTable() {
return table;
}
public void markLatestRelation() {
hasLatestOnlyRelation = true;
}
public void markNonLatestRelation() {
hasNonLatestRelation = true;
}
public boolean hasLatestOnlyRelation() {
return hasLatestOnlyRelation;
}
public boolean hasNonLatestRelation() {
return hasNonLatestRelation;
}
public boolean shouldPreloadLatestSnapshot() {
return hasLatestOnlyRelation && !hasNonLatestRelation;
}
}