Package graphql

Class Assert

java.lang.Object

graphql.Assert

public class Assert
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	invalidNameErrorMessage
private static final Pattern	validNamePattern

Constructor Summary

Constructors

Constructor	Description
Assert()

Method Summary

Modifier and Type	Method	Description
static void	assertFalse(boolean condition)
static void	assertFalse(boolean condition, Supplier<String> msg)
static <T> T	assertNeverCalled()
static <T> Collection<T>	assertNotEmpty(Collection<T> collection)
static <T> Collection<T>	assertNotEmpty(Collection<T> collection, Supplier<String> msg)
static <T> T	assertNotNull(T object)
static <T> T	assertNotNull(T object, Supplier<String> msg)
static <T> T	assertNotNullWithNPE(T object, Supplier<String> msg)
static <T> void	assertNull(T object)
static <T> void	assertNull(T object, Supplier<String> msg)
static <T> T	assertShouldNeverHappen()
static <T> T	assertShouldNeverHappen(String format, Object... args)
static void	assertTrue(boolean condition)
static void	assertTrue(boolean condition, Supplier<String> msg)
static String	assertValidName(String name)	Validates that the Lexical token name matches the current spec.

Methods inherited from class java.lang.Object

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

Field Details

invalidNameErrorMessage

private static final String invalidNameErrorMessage

See Also:

• Constant Field Values

validNamePattern

private static final Pattern validNamePattern

Constructor Details

Assert

public Assert()

Method Details

assertNotNull

public static <T> T assertNotNull(T object,
 Supplier<String> msg)

assertNotNullWithNPE

public static <T> T assertNotNullWithNPE(T object,
 Supplier<String> msg)

assertNotNull

public static <T> T assertNotNull(T object)

assertNull

public static <T> void assertNull(T object,
 Supplier<String> msg)

assertNull

public static <T> void assertNull(T object)

assertNeverCalled

public static <T> T assertNeverCalled()

assertShouldNeverHappen

public static <T> T assertShouldNeverHappen(String format,
 Object... args)

assertShouldNeverHappen

public static <T> T assertShouldNeverHappen()

assertNotEmpty

public static <T> Collection<T> assertNotEmpty(Collection<T> collection)

assertNotEmpty

public static <T> Collection<T> assertNotEmpty(Collection<T> collection,
 Supplier<String> msg)

assertTrue

public static void assertTrue(boolean condition,
 Supplier<String> msg)

assertTrue

public static void assertTrue(boolean condition)

assertFalse

public static void assertFalse(boolean condition,
 Supplier<String> msg)

assertFalse

public static void assertFalse(boolean condition)

assertValidName

public static String assertValidName(String name)

Validates that the Lexical token name matches the current spec. currently non null, non empty,

Parameters:

name - - the name to be validated.

Returns:

the name if valid, or AssertException if invalid.