Package liquibase.diff

Class ObjectDifferences

java.lang.Object

liquibase.diff.ObjectDifferences

public class ObjectDifferences
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ObjectDifferences.CompareFunction
static class	ObjectDifferences.DatabaseObjectNameCompareFunction
static class	ObjectDifferences.DataTypeCompareFunction
static class	ObjectDifferences.OrderedCollectionCompareFunction
static class	ObjectDifferences.StandardCompareFunction
static class	ObjectDifferences.ToStringCompareFunction
static class	ObjectDifferences.UnOrderedCollectionCompareFunction

Constructor Summary

Constructors

Constructor	Description
ObjectDifferences(CompareControl compareControl)	Deprecated. Use ObjectDifferences(CompareControl, DatabaseObject, DatabaseObject) instead to provide both objects being compared
ObjectDifferences(CompareControl compareControl, DatabaseObject referenceObject, DatabaseObject comparisonObject)	Creates an ObjectDifferences with the control and both objects being compared.

Method Summary

Modifier and Type	Method	Description
ObjectDifferences	addDifference(String changedField, Object referenceValue, Object compareToValue)
ObjectDifferences	addDifference(String message, String changedField, Object referenceValue, Object compareToValue)
void	compare(String message, String attribute, DatabaseObject referenceObject, DatabaseObject compareToObject, ObjectDifferences.CompareFunction compareFunction)
void	compare(String attribute, DatabaseObject referenceObject, DatabaseObject compareToObject, ObjectDifferences.CompareFunction compareFunction)
DatabaseObject	getComparisonObject()	Returns the comparison database object being compared.
Difference	getDifference(String field)
Set<Difference>	getDifferences()
DatabaseObject	getReferenceObject()	Returns the reference database object being compared.
CompareControl.SchemaComparison[]	getSchemaComparisons()
boolean	hasDifferences()
boolean	isDifferent(String field)
boolean	removeDifference(String attribute)
protected Object	undoCollection(Object potentialCollection, Object otherObject)	Sometimes an attribute in one object is a single-entity collection and on the other it is just the object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ObjectDifferences

@Deprecated
public ObjectDifferences(CompareControl compareControl)

Deprecated.

Use ObjectDifferences(CompareControl, DatabaseObject, DatabaseObject) instead to provide both objects being compared

Creates an ObjectDifferences with only a CompareControl.

Parameters:

compareControl - the control to use for comparisons

ObjectDifferences

public ObjectDifferences(CompareControl compareControl,
 DatabaseObject referenceObject,
 DatabaseObject comparisonObject)

Creates an ObjectDifferences with the control and both objects being compared.

Parameters:

compareControl - the control to use for comparisons

referenceObject - the reference database object (can be null)

comparisonObject - the comparison database object (can be null)

Method Details

getDifferences

public Set<Difference> getDifferences()

getDifference

public Difference getDifference(String field)

isDifferent

public boolean isDifferent(String field)

addDifference

public ObjectDifferences addDifference(String changedField,
 Object referenceValue,
 Object compareToValue)

addDifference

public ObjectDifferences addDifference(String message,
 String changedField,
 Object referenceValue,
 Object compareToValue)

hasDifferences

public boolean hasDifferences()

compare

public void compare(String attribute,
 DatabaseObject referenceObject,
 DatabaseObject compareToObject,
 ObjectDifferences.CompareFunction compareFunction)

compare

public void compare(String message,
 String attribute,
 DatabaseObject referenceObject,
 DatabaseObject compareToObject,
 ObjectDifferences.CompareFunction compareFunction)

undoCollection

protected Object undoCollection(Object potentialCollection,
 Object otherObject)

Sometimes an attribute in one object is a single-entity collection and on the other it is just the object. Check the passed potentialCollection and if it is a single-entry collection of the same type as the otherObject, return just the collection element. Otherwise, return the original collection.

removeDifference

public boolean removeDifference(String attribute)

getSchemaComparisons

public CompareControl.SchemaComparison[] getSchemaComparisons()

getReferenceObject

public DatabaseObject getReferenceObject()

Returns the reference database object being compared.

Returns:

the reference object, or null if not set

getComparisonObject

public DatabaseObject getComparisonObject()

Returns the comparison database object being compared.

Returns:

the comparison object, or null if not set