space.lingu.light.struct.TablePrimaryKey Maven / Gradle / Ivy
/*
* Copyright (C) 2022 Lingu Light Project
*
* 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 space.lingu.light.struct;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
/**
* @author RollW
*/
public class TablePrimaryKey {
private final List columns;
private final boolean autoGenerate;
public TablePrimaryKey(List columns, boolean autoGenerate) {
this.columns = columns == null
? Collections.emptyList()
: Collections.unmodifiableList(columns);
this.autoGenerate = autoGenerate;
}
public boolean containsColumn(TableColumn column) {
for (TableColumn tableColumn : columns) {
if (Objects.equals(tableColumn.getName(), column.getName())) {
return true;
}
}
return false;
}
public List getColumns() {
return columns;
}
public boolean isAutoGenerate() {
return autoGenerate;
}
public boolean isComposePrimary() {
if (columns.isEmpty()) {
return false;
}
return columns.size() != 1;
}
}