com.arangodb.model

Class ComputedValue

java.lang.Object

com.arangodb.model.ComputedValue

public class ComputedValue
extends Object

Since:

ArangoDB 3.10

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ComputedValue.ComputeOn

Constructor Summary

Constructors

Constructor and Description
ComputedValue()

Method Summary

Modifier and Type	Method and Description
ComputedValue	computeOn(ComputedValue.ComputeOn... computeOn)
boolean	equals(Object o)
ComputedValue	expression(String expression)
ComputedValue	failOnWarning(Boolean failOnWarning)
int	hashCode()
ComputedValue	keepNull(Boolean keepNull)
ComputedValue	name(String name)
ComputedValue	overwrite(Boolean overwrite)

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputedValue

public ComputedValue()

Method Detail

name

public ComputedValue name(String name)

Parameters:

name - (required) The name of the target attribute. Can only be a top-level attribute, but you may return a nested object. Cannot be _key, _id, _rev, _from, _to, or a shard key attribute.

Returns:

this

expression

public ComputedValue expression(String expression)

Parameters:

expression - (required) An AQL RETURN operation with an expression that computes the desired value. See Computed Value Expressions for details.

Returns:

this

overwrite

public ComputedValue overwrite(Boolean overwrite)

Parameters:

overwrite - (required) Whether the computed value shall take precedence over a user-provided or existing attribute.

Returns:

this

computeOn

public ComputedValue computeOn(ComputedValue.ComputeOn... computeOn)

Parameters:

computeOn - (optional) An array of operations to define on which write operations the value shall be computed. The default is ["insert", "update", "replace"].

Returns:

this

keepNull

public ComputedValue keepNull(Boolean keepNull)

Parameters:

keepNull - (optional) Whether the target attribute shall be set if the expression evaluates to null. You can set the option to false to not set (or unset) the target attribute if the expression returns null. The default is true.

Returns:

this

failOnWarning

public ComputedValue failOnWarning(Boolean failOnWarning)

Parameters:

failOnWarning - (optional) Whether to let the write operation fail if the expression produces a warning. The default is false.

Returns:

this

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object