org.apache.cayenne.access.flush.operation

Class DbRowOpMerger

java.lang.Object

org.apache.cayenne.access.flush.operation.DbRowOpMerger

All Implemented Interfaces:

BiFunction<DbRowOp,DbRowOp,DbRowOp>, DbRowOpVisitor<DbRowOp>

public class DbRowOpMerger
extends Object
implements DbRowOpVisitor<DbRowOp>, BiFunction<DbRowOp,DbRowOp,DbRowOp>

BiFunction that merges two DbRowOp changing same object.

Since:

4.2

Field Summary

Fields

Modifier and Type	Field and Description
static DbRowOpMerger	INSTANCE

Constructor Summary

Constructors

Constructor and Description
DbRowOpMerger()

Method Summary

Modifier and Type	Method and Description
DbRowOp	apply(DbRowOp oldValue, DbRowOp newValue)
DbRowOp	visitDelete(DeleteDbRowOp other)
DbRowOp	visitInsert(InsertDbRowOp other)
DbRowOp	visitUpdate(UpdateDbRowOp other)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.BiFunction

andThen

Field Detail

INSTANCE

public static final DbRowOpMerger INSTANCE

Constructor Detail

DbRowOpMerger

public DbRowOpMerger()

Method Detail

apply

public DbRowOp apply(DbRowOp oldValue,
                     DbRowOp newValue)

Specified by:

apply in interface BiFunction<DbRowOp,DbRowOp,DbRowOp>

visitInsert

public DbRowOp visitInsert(InsertDbRowOp other)

Specified by:

visitInsert in interface DbRowOpVisitor<DbRowOp>

visitUpdate

public DbRowOp visitUpdate(UpdateDbRowOp other)

Specified by:

visitUpdate in interface DbRowOpVisitor<DbRowOp>

visitDelete

public DbRowOp visitDelete(DeleteDbRowOp other)

Specified by:

visitDelete in interface DbRowOpVisitor<DbRowOp>