io.spine.client

Class QueryFilter

java.lang.Object

io.spine.value.ValueHolder<io.spine.client.Filter>

io.spine.client.QueryFilter

All Implemented Interfaces:

java.io.Serializable

public final class QueryFilter
extends io.spine.value.ValueHolder<io.spine.client.Filter>

A query filter which targets a column of an entity.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
static QueryFilter	eq(io.spine.base.EntityColumn column, java.lang.Object value) Creates a new equality filter.
static QueryFilter	ge(io.spine.base.EntityColumn column, java.lang.Object value) Creates a new "greater than or equals" filter.
static QueryFilter	gt(io.spine.base.EntityColumn column, java.lang.Object value) Creates a new "greater than" filter.
static QueryFilter	le(io.spine.base.EntityColumn column, java.lang.Object value) Creates a new "less than or equals" filter.
static QueryFilter	lt(io.spine.base.EntityColumn column, java.lang.Object value) Creates a new "less than" filter.
boolean	test(M m)

Methods inherited from class io.spine.value.ValueHolder

equals, hashCode, value

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Predicate

and, isEqual, negate, or

Method Detail

eq

public static QueryFilter eq(io.spine.base.EntityColumn column,
                             java.lang.Object value)

Creates a new equality filter.

Parameters:

column - the entity column from which the actual value is taken

value - the expected value

gt

public static QueryFilter gt(io.spine.base.EntityColumn column,
                             java.lang.Object value)

Creates a new "greater than" filter.

NOTE: not all value types are supported for ordering comparison. See Filters for details.

Parameters:

column - the entity column from which the actual value is taken

value - the expected value

lt

public static QueryFilter lt(io.spine.base.EntityColumn column,
                             java.lang.Object value)

Creates a new "less than" filter.

NOTE: not all value types are supported for ordering comparison. See Filters for details.

Parameters:

column - the entity column from which the actual value is taken

value - the expected value

ge

public static QueryFilter ge(io.spine.base.EntityColumn column,
                             java.lang.Object value)

Creates a new "greater than or equals" filter.

NOTE: not all value types are supported for ordering comparison. See Filters for details.

Parameters:

column - the entity column from which the actual value is taken

value - the expected value

le

public static QueryFilter le(io.spine.base.EntityColumn column,
                             java.lang.Object value)

Creates a new "less than or equals" filter.

NOTE: not all value types are supported for ordering comparison. See Filters for details.

Parameters:

column - the entity column from which the actual value is taken

value - the expected value

test

public boolean test(M m)