com.pervasive.datarush.functions

Class Actions

java.lang.Object

com.pervasive.datarush.functions.Actions

public class Actions
extends Object

Provides implementations of action functions. These functions can be used to perform an action outside the scope of the initial function.

See Also:

ScalarValuedFunction, DeriveFields

Constructor Summary

Constructors

Constructor and Description
Actions()

Method Summary

Modifier and Type	Method and Description
static ScalarValuedFunction	fail(ScalarValuedFunction expr, String message) Will throw an exception if the expression evaluates to true.
static ScalarValuedFunction	fail(String field) Will throw an exception if the field evaluates to true.
static ScalarValuedFunction	fail(String field, String message)

Methods inherited from class java.lang.Object

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

Constructor Detail

Actions

public Actions()

Method Detail

fail

public static ScalarValuedFunction fail(String field)

Will throw an exception if the field evaluates to true.

Parameters:

field - the record field value to test

Returns:

a function that fails if the predicate is true

fail

public static ScalarValuedFunction fail(String field,
                                        String message)

Parameters:

field - the record field value to test

message - the exception message to use if failure occurs

Returns:

a function that fails if the predicate is true

fail

public static ScalarValuedFunction fail(ScalarValuedFunction expr,
                                        String message)

Will throw an exception if the expression evaluates to true.

Parameters:

expr - the expression to test for failure

message - the exception message to use if a failure occurs

Returns:

a function that fails if the the predicate is true