Example usage for java.util.function Predicate test

List of usage examples for java.util.function Predicate test

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Introduction

In this page you can find the example usage for java.util.function Predicate test.

Prototype

boolean test(T t);

Source Link

Document

Evaluates this predicate on the given argument.

Usage

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjFloatPredicate.java

/**
 * Creates a {@link BiObjFloatPredicate} which uses the {@code second} parameter of this one as argument for the
 * given {@link Predicate}./*w w  w .  ja v  a  2 s. co m*/
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code BiObjFloatPredicate} which uses the {@code second} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjFloatPredicate<T, U> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(u);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjIntPredicate.java

/**
 * Creates a {@link BiObjIntPredicate} which uses the {@code first} parameter of this one as argument for the given
 * {@link Predicate}.//  ww  w. j a  v a 2s .  co m
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code first} parameter of this one
 * @return Creates a {@code BiObjIntPredicate} which uses the {@code first} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjIntPredicate<T, U> onlyFirst(@Nonnull final Predicate<? super T> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(t);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjIntPredicate.java

/**
 * Creates a {@link BiObjIntPredicate} which uses the {@code second} parameter of this one as argument for the given
 * {@link Predicate}.// w  w  w  . j  a v  a  2  s . co  m
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code BiObjIntPredicate} which uses the {@code second} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjIntPredicate<T, U> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(u);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjShortPredicate.java

/**
 * Creates a {@link BiObjShortPredicate} which uses the {@code first} parameter of this one as argument for the
 * given {@link Predicate}.//from  w w w .  jav  a  2 s.c om
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code first} parameter of this one
 * @return Creates a {@code BiObjShortPredicate} which uses the {@code first} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjShortPredicate<T, U> onlyFirst(@Nonnull final Predicate<? super T> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(t);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjShortPredicate.java

/**
 * Creates a {@link BiObjShortPredicate} which uses the {@code second} parameter of this one as argument for the
 * given {@link Predicate}.//www  .j  a  v a  2 s .  co m
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code BiObjShortPredicate} which uses the {@code second} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjShortPredicate<T, U> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(u);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjDoublePredicate.java

/**
 * Creates a {@link BiObjDoublePredicate} which uses the {@code first} parameter of this one as argument for the
 * given {@link Predicate}./*from ww w .ja  va  2  s.  c o m*/
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code first} parameter of this one
 * @return Creates a {@code BiObjDoublePredicate} which uses the {@code first} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjDoublePredicate<T, U> onlyFirst(@Nonnull final Predicate<? super T> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(t);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjDoublePredicate.java

/**
 * Creates a {@link BiObjDoublePredicate} which uses the {@code second} parameter of this one as argument for the
 * given {@link Predicate}.//from ww  w . j av  a  2 s . c om
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code BiObjDoublePredicate} which uses the {@code second} parameter of this one as argument
 * for the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjDoublePredicate<T, U> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(u);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjLongPredicate.java

/**
 * Creates a {@link BiObjLongPredicate} which uses the {@code first} parameter of this one as argument for the given
 * {@link Predicate}./*from w  ww  .  ja  va2 s .com*/
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code first} parameter of this one
 * @return Creates a {@code BiObjLongPredicate} which uses the {@code first} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjLongPredicate<T, U> onlyFirst(@Nonnull final Predicate<? super T> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(t);
}

From source file:at.gridtec.lambda4j.predicate.tri.obj.BiObjLongPredicate.java

/**
 * Creates a {@link BiObjLongPredicate} which uses the {@code second} parameter of this one as argument for the
 * given {@link Predicate}.//from w w  w  .  j  a v  a2s .  c  om
 *
 * @param <T> The type of the first argument to the predicate
 * @param <U> The type of the second argument to the predicate
 * @param predicate The predicate which accepts the {@code second} parameter of this one
 * @return Creates a {@code BiObjLongPredicate} which uses the {@code second} parameter of this one as argument for
 * the given {@code Predicate}.
 * @throws NullPointerException If given argument is {@code null}
 */
@Nonnull
static <T, U> BiObjLongPredicate<T, U> onlySecond(@Nonnull final Predicate<? super U> predicate) {
    Objects.requireNonNull(predicate);
    return (t, u, value) -> predicate.test(u);
}

From source file:org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.java

/**
 * filters a given map with predicate provided. All entries of map whose key matches with
 * predicate will be removed. Expects map to be modifiable and does the operation on actual map,
 * so does not return a copy of filtered map.
 * @param map A map of String key-value pairs
 * @param predicate Predicate with pattern to filter the map
 *///from w ww. j av a  2s  .c  o  m
public static <T> void filterMapKeys(Map<String, T> map, Predicate<String> predicate) {
    if (map == null) {
        return;
    }
    map.entrySet().removeIf(entry -> predicate.test(entry.getKey()));
}