Package io.jsondb.query.ddl

Class CollectionSchemaUpdate

java.lang.Object

io.jsondb.query.ddl.CollectionSchemaUpdate

public class CollectionSchemaUpdate
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CollectionSchemaUpdate.Type

Constructor Summary

Constructors

Constructor	Description
CollectionSchemaUpdate()

Method Summary

Modifier and Type	Method	Description
java.util.Map<java.lang.String,AddOperation>	getAddOperations()	Returns a Map of ADD operations which have a non-null default value specified.
java.util.Map<java.lang.String,DeleteOperation>	getDeleteOperations()	Returns a Map of DELETE operations.
java.util.Map<java.lang.String,RenameOperation>	getRenameOperations()	Returns a Map of RENAME operations.
java.util.Map<java.lang.String,IOperation>	getUpdateData()
CollectionSchemaUpdate	set(java.lang.String key, IOperation operation)	A method to set a new Operation for a key.
static CollectionSchemaUpdate	update(java.lang.String key, IOperation operation)	Static factory method to create an CollectionUpdate for the specified key

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionSchemaUpdate

public CollectionSchemaUpdate()

Method Detail

update

public static CollectionSchemaUpdate update(java.lang.String key,
                                            IOperation operation)

Static factory method to create an CollectionUpdate for the specified key

Parameters:

key - : JSON attribute to update

operation - : operation to carry out on the attribute

Returns:

the updated CollectionSchemaUpdate

set

public CollectionSchemaUpdate set(java.lang.String key,
                                  IOperation operation)

A method to set a new Operation for a key. It may be of type ADD, RENAME or DELETE. Only one operation per key can be specified. Attempt to add a second operation for a any key will override the first one. Attempt to add a ADD operation for a key which already exists will have no effect. Attempt to add a DELETE operation for akey which does not exist will have no effect.

Parameters:

key - (a.k.a JSON Field name) for which operation is being added

operation - operation to perform

Returns:

the updated CollectionSchemaUpdate

getUpdateData

public java.util.Map<java.lang.String,IOperation> getUpdateData()

getAddOperations

public java.util.Map<java.lang.String,AddOperation> getAddOperations()

Returns a Map of ADD operations which have a non-null default value specified.

Returns:

Map of ADD operations which have a non-null default value specified

getRenameOperations

public java.util.Map<java.lang.String,RenameOperation> getRenameOperations()

Returns a Map of RENAME operations.

Returns:

Map of RENAME operations which have a non-null default value specified

getDeleteOperations

public java.util.Map<java.lang.String,DeleteOperation> getDeleteOperations()

Returns a Map of DELETE operations.

Returns:

Map of DELETE operations which have a non-null default value specified