# MappedManyRelationDescriptor.java

    package org.codefilarete.stalactite.engine.runtime.onetomany;

    import java.util.Collection;
    import java.util.function.Function;
    import java.util.function.Supplier;
    import javax.annotation.Nullable;

    import org.codefilarete.reflection.Accessor;
    import org.codefilarete.reflection.PropertyMutator;
    import org.codefilarete.reflection.ReadWritePropertyAccessPoint;
    import org.codefilarete.stalactite.sql.ddl.structure.Key;
    import org.codefilarete.stalactite.sql.ddl.structure.Table;

    /**
     * Container to store information of a one-to-many mapped relation (by a column on the reverse side)
     *
     * @author Guillaume Mary
     */
    public class MappedManyRelationDescriptor<SRC, TRGT, C extends Collection<TRGT>, SRCID> extends ManyRelationDescriptor<SRC, TRGT, C> {

    	private final Key<Table<?>, SRCID> reverseColumn;

    	/**
    	 * @param collectionGetter collection accessor
    	 * @param collectionFactory collection factory
    	 * @param reverseSetter setter on the owning side for source bean, optional
    	 * 		because it can be either a {@link org.danekja.java.util.function.serializable.SerializableFunction},
    	 * 		or {@link Function} took from an {@link Accessor}
    	 * @param reverseColumn column owning relation
    	 */
    	public MappedManyRelationDescriptor(ReadWritePropertyAccessPoint<SRC, C> collectionGetter,
    										Supplier<C> collectionFactory,
    										@Nullable PropertyMutator<TRGT, SRC> reverseSetter,
    										Key<?, SRCID> reverseColumn) {
    		super(collectionGetter, collectionFactory, reverseSetter);
    		this.reverseColumn = (Key<Table<?>, SRCID>) reverseColumn;
    	}

    	public Key<Table<?>, SRCID> getReverseColumn() {
    		return reverseColumn;
    	}
    }