com.avaje.ebeaninternal.server.deploy.ExportedProperty Maven / Gradle / Ivy
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/**
* Copyright (C) 2006 Robin Bygrave
*
* This file is part of Ebean.
*
* Ebean is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* Ebean is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Ebean; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.avaje.ebeaninternal.server.deploy;
import com.avaje.ebeaninternal.server.core.InternString;
/**
* The Exported foreign key and property.
*
* Used to for Assoc Manys to create references etc.
*
*/
public class ExportedProperty {
private final String foreignDbColumn;
private final BeanProperty property;
private final boolean embedded;
public ExportedProperty(boolean embedded, String foreignDbColumn, BeanProperty property) {
this.embedded = embedded;
this.foreignDbColumn = InternString.intern(foreignDbColumn);
this.property = property;
}
/**
* Return true if this is part of an embedded concatinated key.
*/
public boolean isEmbedded() {
return embedded;
}
/**
* Return the property value from the bean.
*/
public Object getValue(Object bean){
return property.getValue(bean);
}
/**
* Return the foreign database column matching this property.
*
* We use this foreign database column in the query predicates
* in preference to a parentProperty.idProperty = value.
* Just using the foreign database column avoids triggering
* a join to the 'parent' table.
*
*/
public String getForeignDbColumn() {
return foreignDbColumn;
}
}