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JaVers - object auditing and diff framework for Java
package org.javers.core.graph;
import org.javers.common.validation.Validate;
import org.javers.core.metamodel.type.JaversProperty;
import java.util.List;
/**
* Relation between (Entity) instances
*
* Immutable
*
* @author bartosz walacik
*/
abstract class Edge {
private final JaversProperty property;
Edge(JaversProperty property) {
Validate.argumentIsNotNull(property);
this.property = property;
}
JaversProperty getProperty() {
return property;
}
@Override
public boolean equals(Object obj) {
if (obj == null || getClass() != obj.getClass()) {
return false;
}
Edge that = (Edge) obj;
return property.equals(that.property);
}
@Override
public int hashCode() {
return property.hashCode();
}
abstract List getReferences();
abstract Object getDehydratedPropertyValue();
}