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JaVers - object auditing and diff framework for Java
package org.javers.core.diff.changetype;
import org.javers.common.string.PrettyValuePrinter;
import org.javers.core.diff.Change;
import org.javers.core.metamodel.object.ValueObjectId;
import java.util.Objects;
import java.util.Optional;
import static org.javers.common.validation.Validate.argumentIsNotNull;
/**
* Change on object's property of any type (Value, List, Set, Map, Array or Reference)
*
* @author bartosz walacik
*/
public abstract class PropertyChange extends Change {
private final PropertyChangeType changeType;
private final String propertyName;
protected PropertyChange(PropertyChangeMetadata propertyChangeMetadata) {
super(propertyChangeMetadata.getAffectedCdoId(), Optional.empty(), propertyChangeMetadata.getCommitMetadata());
this.propertyName = propertyChangeMetadata.getPropertyName();
this.changeType = propertyChangeMetadata.getChangeType();
}
/**
* Left (or old) value of a changed property
*/
public abstract T getLeft();
/**
* Right (or new) value of a changed property
*/
public abstract T getRight();
public String getPropertyName(){
return propertyName;
}
public String getPropertyNameWithPath() {
if (getAffectedGlobalId() instanceof ValueObjectId) {
return ((ValueObjectId) getAffectedGlobalId()).getFragment() + "." + propertyName;
}
return propertyName;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o instanceof PropertyChange) {
PropertyChange that = (PropertyChange) o;
return super.equals(that) &&
Objects.equals(this.propertyName, that.propertyName);
}
return false;
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), propertyName);
}
/**
* @see PropertyChangeType
* @since 5.5.0
*/
public PropertyChangeType getChangeType() {
return changeType;
}
/**
* @see PropertyChangeType
* @return changeType == PropertyChangeType.PROPERTY_ADDED
* @since 5.5.0
*/
public boolean isPropertyAdded() {
return changeType == PropertyChangeType.PROPERTY_ADDED;
}
/**
* @see PropertyChangeType
* @return changeType == PropertyChangeType.PROPERTY_REMOVED
* @since 5.5.0
*/
public boolean isPropertyRemoved() {
return changeType == PropertyChangeType.PROPERTY_REMOVED;
}
/**
* @see PropertyChangeType
* @return changeType == PropertyChangeType.PROPERTY_VALUE_CHANGED
* @since 5.5.0
*/
public boolean isPropertyValueChanged() {
return changeType == PropertyChangeType.PROPERTY_VALUE_CHANGED;
}
@Override
public String toString() {
return this.getClass().getSimpleName() + "{ property: '"+propertyName +"' }";
}
}