org.axonframework.common

Class BuilderUtils

java.lang.Object

org.axonframework.common.BuilderUtils

public abstract class BuilderUtils
extends Object

Utility class containing reusable functionality for implementing the Builder Pattern in (infrastructure) components.

Since:

4.0

Author:

Steven van Beelen

Method Summary

Modifier and Type	Method and Description
static <T> void	assertNonNull(T value, String exceptionMessage) Assert that the given value is non null.
static <T> void	assertThat(T value, Predicate<T> assertion, String exceptionMessage) Assert that the given value will result to true through the assertion Predicate.

Methods inherited from class java.lang.Object

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

Method Detail

assertThat

public static <T> void assertThat(T value,
                                  Predicate<T> assertion,
                                  String exceptionMessage)
                           throws AxonConfigurationException

Assert that the given value will result to true through the assertion Predicate. If not, an AxonConfigurationException is thrown containing the provided exceptionMessage.

Type Parameters:

T - a generic specifying the type of the value, which is the input for the assertion

Parameters:

value - a T specifying the value to assert

assertion - a Predicate to test value against

exceptionMessage - a Supplier of the exception X if assertion evaluates to false

Throws:

AxonConfigurationException - if the value asserts to false by the assertion

assertNonNull

public static <T> void assertNonNull(T value,
                                     String exceptionMessage)
                              throws AxonConfigurationException

Assert that the given value is non null. If not, an AxonConfigurationException is thrown containing the provided exceptionMessage.

Type Parameters:

T - a generic specifying the type of the value, which is the input for the assertion

Parameters:

value - a T specifying the value to assert

Throws:

AxonConfigurationException - if the value equals null