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liquibase.snapshot

pack-priv Class SnapshotGeneratorComparator

extends Object
implements Comparator<SnapshotGenerator>
Class Inheritance
All Implemented Interfaces
java.util.Comparator
Imports
liquibase.database.Database, liquibase.structure.DatabaseObject, java.util.Comparator

Field Summary

Modifier and TypeField and Description
private final Database
database

private final Class<? extends DatabaseObject>
objectType

Constructor Summary

AccessConstructor and Description
public
SnapshotGeneratorComparator(Class<? extends DatabaseObject> objectType, Database database)

Method Summary

Modifier and TypeMethod and Description
public int
compare(SnapshotGenerator
the first object to be compared.
o1, SnapshotGenerator
the second object to be compared.
o2)

Implements java.util.Comparator.compare.

Compares its two arguments for order.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

databaseback to summary
private final Database database
objectTypeback to summary
private final Class<? extends DatabaseObject> objectType

Constructor Detail

SnapshotGeneratorComparatorback to summary
public SnapshotGeneratorComparator(Class<? extends DatabaseObject> objectType, Database database)

Method Detail

compareback to summary
public int compare(SnapshotGenerator o1, SnapshotGenerator o2)

Implements java.util.Comparator.compare.

Doc from java.util.Comparator.compare.

Compares its two arguments for order. Returns a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

The implementor must ensure that signum(compare(x, y)) == -signum(compare(y, x)) for all x and y. (This implies that compare(x, y) must throw an exception if and only if compare(y, x) throws an exception.)

The implementor must also ensure that the relation is transitive: ((compare(x, y)>0) && (compare(y, z)>0)) implies compare(x, z)>0.

Finally, the implementor must ensure that compare(x, y)==0 implies that signum(compare(x, z))==signum(compare(y, z)) for all z.

Parameters
o1:SnapshotGenerator

the first object to be compared.

o2:SnapshotGenerator

the second object to be compared.

Returns:int

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

Annotations
@Override