com.landawn.abacus.util

Class If

java.lang.Object

com.landawn.abacus.util.If

@Beta
public final class If
extends java.lang.Object

This class is mainly designed for functional programming. Generally the traditional "if-else" or ternary operator: "? : " is preferred over this class.

Author:

HaiYang Li

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	If.IF Deprecated.
static class	If.Or

Method Summary

Modifier and Type	Method and Description
static If	exists(int index) true for index >= 0, false for index < 0.
static If	is(boolean b)
static If	isNullOrEmpty(boolean[] a)
static If	isNullOrEmpty(byte[] a)
static If	isNullOrEmpty(char[] a)
static If	isNullOrEmpty(java.lang.CharSequence s)
static If	isNullOrEmpty(java.util.Collection<?> c)
static If	isNullOrEmpty(double[] a)
static If	isNullOrEmpty(float[] a)
static If	isNullOrEmpty(int[] a)
static If	isNullOrEmpty(long[] a)
static If	isNullOrEmpty(LongMultiset<?> s)
static If	isNullOrEmpty(java.util.Map<?,?> m)
static If	isNullOrEmpty(Multimap<?,?,?> m)
static If	isNullOrEmpty(Multiset<?> s)
static If	isNullOrEmpty(java.lang.Object[] a)
static If	isNullOrEmpty(PrimitiveList list)
static If	isNullOrEmpty(short[] a)
static If	isNullOrEmptyOrBlank(java.lang.CharSequence s)
static If	not(boolean b)
static If	notNullOrEmpty(boolean[] a)
static If	notNullOrEmpty(byte[] a)
static If	notNullOrEmpty(char[] a)
static If	notNullOrEmpty(java.lang.CharSequence s)
static If	notNullOrEmpty(java.util.Collection<?> c)
static If	notNullOrEmpty(double[] a)
static If	notNullOrEmpty(float[] a)
static If	notNullOrEmpty(int[] a)
static If	notNullOrEmpty(long[] a)
static If	notNullOrEmpty(LongMultiset<?> s)
static If	notNullOrEmpty(java.util.Map<?,?> m)
static If	notNullOrEmpty(Multimap<?,?,?> m)
static If	notNullOrEmpty(Multiset<?> s)
static If	notNullOrEmpty(java.lang.Object[] a)
static If	notNullOrEmpty(PrimitiveList list)
static If	notNullOrEmpty(short[] a)
static If	notNullOrEmptyOrBlank(java.lang.CharSequence s)
<E extends java.lang.Exception> If.Or	then(Try.Runnable<E> cmd)
<U,E extends java.lang.Exception> If.Or	then(U seed, Try.Consumer<? super U,E> action)
If.Or	thenDoNothing()
<E extends java.lang.Exception> If.Or	thenThrow(Supplier<? extends E> exceptionSupplier)

Methods inherited from class java.lang.Object

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

Method Detail

is

public static If is(boolean b)

not

public static If not(boolean b)

exists

public static If exists(int index)

true for index >= 0, false for index < 0.

Parameters:

index -

Returns:

isNullOrEmpty

public static If isNullOrEmpty(java.lang.CharSequence s)

isNullOrEmpty

public static If isNullOrEmpty(boolean[] a)

isNullOrEmpty

public static If isNullOrEmpty(char[] a)

isNullOrEmpty

public static If isNullOrEmpty(byte[] a)

isNullOrEmpty

public static If isNullOrEmpty(short[] a)

isNullOrEmpty

public static If isNullOrEmpty(int[] a)

isNullOrEmpty

public static If isNullOrEmpty(long[] a)

isNullOrEmpty

public static If isNullOrEmpty(float[] a)

isNullOrEmpty

public static If isNullOrEmpty(double[] a)

isNullOrEmpty

public static If isNullOrEmpty(java.lang.Object[] a)

isNullOrEmpty

public static If isNullOrEmpty(java.util.Collection<?> c)

isNullOrEmpty

public static If isNullOrEmpty(java.util.Map<?,?> m)

isNullOrEmpty

public static If isNullOrEmpty(PrimitiveList list)

isNullOrEmpty

public static If isNullOrEmpty(Multiset<?> s)

isNullOrEmpty

public static If isNullOrEmpty(LongMultiset<?> s)

isNullOrEmpty

public static If isNullOrEmpty(Multimap<?,?,?> m)

isNullOrEmptyOrBlank

public static If isNullOrEmptyOrBlank(java.lang.CharSequence s)

notNullOrEmpty

public static If notNullOrEmpty(java.lang.CharSequence s)

notNullOrEmpty

public static If notNullOrEmpty(boolean[] a)

notNullOrEmpty

public static If notNullOrEmpty(char[] a)

notNullOrEmpty

public static If notNullOrEmpty(byte[] a)

notNullOrEmpty

public static If notNullOrEmpty(short[] a)

notNullOrEmpty

public static If notNullOrEmpty(int[] a)

notNullOrEmpty

public static If notNullOrEmpty(long[] a)

notNullOrEmpty

public static If notNullOrEmpty(float[] a)

notNullOrEmpty

public static If notNullOrEmpty(double[] a)

notNullOrEmpty

public static If notNullOrEmpty(java.lang.Object[] a)

notNullOrEmpty

public static If notNullOrEmpty(java.util.Collection<?> c)

notNullOrEmpty

public static If notNullOrEmpty(java.util.Map<?,?> m)

notNullOrEmpty

public static If notNullOrEmpty(PrimitiveList list)

notNullOrEmpty

public static If notNullOrEmpty(Multiset<?> s)

notNullOrEmpty

public static If notNullOrEmpty(LongMultiset<?> s)

notNullOrEmpty

public static If notNullOrEmpty(Multimap<?,?,?> m)

notNullOrEmptyOrBlank

public static If notNullOrEmptyOrBlank(java.lang.CharSequence s)

thenDoNothing

public If.Or thenDoNothing()

then

public <E extends java.lang.Exception> If.Or then(Try.Runnable<E> cmd)
                                           throws E extends java.lang.Exception

Throws:

E extends java.lang.Exception

then

public <U,E extends java.lang.Exception> If.Or then(U seed,
                                                    Try.Consumer<? super U,E> action)
                                             throws E extends java.lang.Exception

Throws:

E extends java.lang.Exception

thenThrow

public <E extends java.lang.Exception> If.Or thenThrow(Supplier<? extends E> exceptionSupplier)
                                                throws E extends java.lang.Exception

Throws:

E extends java.lang.Exception