Package io.stargate.sdk.data.domain.query

Class Filter

java.lang.Object

io.stargate.sdk.data.domain.query.Filter

Direct Known Subclasses:

FilterBuilderList

public class Filter
extends Object

Filter Builder.

Constructor Summary

Constructors

Constructor	Description
Filter()	Default constructor.
Filter(@NonNull String fieldName, @NonNull FilterOperator cond, @NonNull Object value)	Create a filter from a where clause.
Filter(String json)	Default constructor.
Filter(Map<String,Object> obj)	Default constructor.

Method Summary

Modifier and Type	Method	Description
FilterBuilderList	and()	Adding a ADD keyword.
static Filter	findById(String id)	Build a filter for find by id.
FilterBuilderList	not()	Adding a NOT keyword.
FilterBuilderList	or()	Adding a OR keyword.
String	toJson()	Express the json filter as a string.
String	toString()
FilterBuilder	where(String fieldName)	Work with arguments.
Filter	where(String fieldName, FilterOperator cond, Object value)	Build where clause with operator

Methods inherited from class java.lang.Object

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

Constructor Details

Filter

public Filter()

Default constructor.

Filter

public Filter(String json)

Default constructor.

Parameters:

json - filter expression as JSON

Filter

public Filter(Map<String,Object> obj)

Default constructor.

Parameters:

obj - filter expression as JSON

Filter

public Filter(@NonNull
 @NonNull String fieldName,
 @NonNull
 @NonNull FilterOperator cond,
 @NonNull
 @NonNull Object value)

Create a filter from a where clause.

Parameters:

fieldName - fieldName

cond - condition

value - object value

Method Details

where

public FilterBuilder where(String fieldName)

Work with arguments.

Parameters:

fieldName - current field name.

Returns:

builder for the filter

where

public Filter where(String fieldName,
 FilterOperator cond,
 Object value)

Build where clause with operator

Parameters:

fieldName - current field name

cond - current condition

value - value for the condition

Returns:

current

and

public FilterBuilderList and()

Adding a ADD keyword.

Returns:

current list

or

public FilterBuilderList or()

Adding a OR keyword.

Returns:

current list

not

public FilterBuilderList not()

Adding a NOT keyword.

Returns:

current list

findById

public static Filter findById(String id)

Build a filter for find by id.

Parameters:

id - identifier

Returns:

filter

toString

public String toString()

Overrides:

toString in class Object

toJson

public String toJson()

Express the json filter as a string.

Returns:

json expression