com.vaadin.data.util.sqlcontainer.Reference Maven / Gradle / Ivy
/*
* Vaadin Framework 7
*
* Copyright (C) 2000-2024 Vaadin Ltd
*
* This program is available under Vaadin Commercial License and Service Terms.
*
* See for the full
* license.
*/
package com.vaadin.data.util.sqlcontainer;
import java.io.Serializable;
/**
* The reference class represents a simple [usually foreign key] reference to
* another SQLContainer. Actual foreign key reference in the database is not
* required, but it is recommended to make sure that certain constraints are
* followed.
*/
@SuppressWarnings("serial")
class Reference implements Serializable {
/**
* The SQLContainer that this reference points to.
*/
private SQLContainer referencedContainer;
/**
* The column ID/name in the referencing SQLContainer that contains the key
* used for the reference.
*/
private String referencingColumn;
/**
* The column ID/name in the referenced SQLContainer that contains the key
* used for the reference.
*/
private String referencedColumn;
/**
* Constructs a new reference to be used within the SQLContainer to
* reference another SQLContainer.
*/
Reference(SQLContainer referencedContainer, String referencingColumn,
String referencedColumn) {
this.referencedContainer = referencedContainer;
this.referencingColumn = referencingColumn;
this.referencedColumn = referencedColumn;
}
SQLContainer getReferencedContainer() {
return referencedContainer;
}
String getReferencingColumn() {
return referencingColumn;
}
String getReferencedColumn() {
return referencedColumn;
}
}