/*
* Copyright 2004-2023 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.constraint;
import org.h2.table.Column;
import org.h2.table.ColumnResolver;
import org.h2.value.TypeInfo;
import org.h2.value.Value;
/**
* The single column resolver resolves the VALUE column.
* It is used to parse a domain constraint.
*/
public class DomainColumnResolver implements ColumnResolver {
private final Column column;
private Value value;
private String name;
public DomainColumnResolver(TypeInfo typeInfo) {
this.column = new Column("VALUE", typeInfo);
}
public void setValue(Value value) {
this.value = value;
}
@Override
public Value getValue(Column col) {
return value;
}
@Override
public Column[] getColumns() {
return new Column[] { column };
}
@Override
public Column findColumn(String name) {
return null;
}
void setColumnName(String newName) {
name = newName;
}
void resetColumnName() {
name = null;
}
/**
* Return column name to use or null.
*
* @return column name to use or null
*/
public String getColumnName() {
return name;
}
/**
* Return the type of the column.
*
* @return the type of the column
*/
public TypeInfo getValueType() {
return column.getType();
}
}