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package org.zodiac.fastorm.rdb.mapping;

import java.util.Map;
import java.util.Optional;
import java.util.function.Supplier;

import org.zodiac.fastorm.rdb.metadata.RDBColumnMetadata;
import org.zodiac.fastorm.rdb.metadata.TableOrViewMetadata;

public abstract class LazyEntityColumnMapping implements EntityColumnMapping {

    public abstract EntityColumnMapping getMapping();

    @Override
    public TableOrViewMetadata getTable() {
        return getMapping().getTable();
    }

    @Override
    public Optional getColumnByProperty(String property) {
        return getMapping().getColumnByProperty(property);
    }

    @Override
    public Optional getPropertyByColumnName(String columnName) {
        return getMapping().getPropertyByColumnName(columnName);
    }

    @Override
    public Optional getColumnByName(String columnName) {
        return getMapping().getColumnByName(columnName);
    }

    @Override
    public Map getColumnPropertyMapping() {
        return getMapping().getColumnPropertyMapping();
    }

    @Override
    public String getId() {
        return getMapping().getId();
    }

    @Override
    public String getName() {
        return getMapping().getName();
    }

    @Override
    public Class getEntityType() {
        return getMapping().getEntityType();
    }

    @Override
    public Object newInstance() {
        return getMapping().newInstance();
    }

    @Override
    public void reload() {
        getMapping().reload();
    }

    public static LazyEntityColumnMapping of(Supplier mappingSupplier) {
        return new LazyEntityColumnMapping() {
            @Override
            public EntityColumnMapping getMapping() {
                return mappingSupplier.get();
            }
        };
    }

}