java.util.function.DoublePredicate Java Examples

The following examples show how to use java.util.function.DoublePredicate. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: DoublePipeline.java From jdk1.8-source-analysis with Apache License 2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #2

Source File: DoublePipeline.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #3

Source File: MatchOps.java From desugar_jdk_libs with GNU General Public License v2.0

6 votes

/**
 * Constructs a quantified predicate matcher for a {@code DoubleStream}.
 *
 * @param predicate the {@code Predicate} to apply to stream elements
 * @param matchKind the kind of quantified match (all, any, none)
 * @return a {@code TerminalOp} implementing the desired quantified match
 *         criteria
 */
public static TerminalOp<Double, Boolean> makeDouble(DoublePredicate predicate,
                                                     MatchKind matchKind) {
    Objects.requireNonNull(predicate);
    Objects.requireNonNull(matchKind);
    class MatchSink extends BooleanTerminalSink<Double> implements Sink.OfDouble {

        MatchSink() {
            super(matchKind);
        }

        @Override
        public void accept(double t) {
            if (!stop && predicate.test(t) == matchKind.stopOnPredicateMatches) {
                stop = true;
                value = matchKind.shortCircuitResult;
            }
        }
    }

    return new MatchOp<>(StreamShape.DOUBLE_VALUE, matchKind, MatchSink::new);
}

Example #4

Source File: MatchOps.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

/**
 * Constructs a quantified predicate matcher for a {@code DoubleStream}.
 *
 * @param predicate the {@code Predicate} to apply to stream elements
 * @param matchKind the kind of quantified match (all, any, none)
 * @return a {@code TerminalOp} implementing the desired quantified match
 *         criteria
 */
public static TerminalOp<Double, Boolean> makeDouble(DoublePredicate predicate,
                                                     MatchKind matchKind) {
    Objects.requireNonNull(predicate);
    Objects.requireNonNull(matchKind);
    class MatchSink extends BooleanTerminalSink<Double> implements Sink.OfDouble {

        MatchSink() {
            super(matchKind);
        }

        @Override
        public void accept(double t) {
            if (!stop && predicate.test(t) == matchKind.stopOnPredicateMatches) {
                stop = true;
                value = matchKind.shortCircuitResult;
            }
        }
    }

    return new MatchOp<>(StreamShape.DOUBLE_VALUE, matchKind, MatchSink::new);
}

Example #5

Source File: MatchOps.java From Bytecoder with Apache License 2.0

6 votes

/**
 * Constructs a quantified predicate matcher for a {@code DoubleStream}.
 *
 * @param predicate the {@code Predicate} to apply to stream elements
 * @param matchKind the kind of quantified match (all, any, none)
 * @return a {@code TerminalOp} implementing the desired quantified match
 *         criteria
 */
public static TerminalOp<Double, Boolean> makeDouble(DoublePredicate predicate,
                                                     MatchKind matchKind) {
    Objects.requireNonNull(predicate);
    Objects.requireNonNull(matchKind);
    class MatchSink extends BooleanTerminalSink<Double> implements Sink.OfDouble {

        MatchSink() {
            super(matchKind);
        }

        @Override
        public void accept(double t) {
            if (!stop && predicate.test(t) == matchKind.stopOnPredicateMatches) {
                stop = true;
                value = matchKind.shortCircuitResult;
            }
        }
    }

    return new MatchOp<>(StreamShape.DOUBLE_VALUE, matchKind, MatchSink::new);
}

Example #6

Source File: DoublePipeline.java From Bytecoder with Apache License 2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #7

Source File: DoublePipeline.java From desugar_jdk_libs with GNU General Public License v2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #8

Source File: DoublePipeline.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #9

Source File: DoublePipeline.java From jdk8u60 with GNU General Public License v2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #10

Source File: DoublePipeline.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #11

Source File: MatchOps.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

/**
 * Constructs a quantified predicate matcher for a {@code DoubleStream}.
 *
 * @param predicate the {@code Predicate} to apply to stream elements
 * @param matchKind the kind of quantified match (all, any, none)
 * @return a {@code TerminalOp} implementing the desired quantified match
 *         criteria
 */
public static TerminalOp<Double, Boolean> makeDouble(DoublePredicate predicate,
                                                     MatchKind matchKind) {
    Objects.requireNonNull(predicate);
    Objects.requireNonNull(matchKind);
    class MatchSink extends BooleanTerminalSink<Double> implements Sink.OfDouble {

        MatchSink() {
            super(matchKind);
        }

        @Override
        public void accept(double t) {
            if (!stop && predicate.test(t) == matchKind.stopOnPredicateMatches) {
                stop = true;
                value = matchKind.shortCircuitResult;
            }
        }
    }

    return new MatchOp<>(StreamShape.DOUBLE_VALUE, matchKind, MatchSink::new);
}

Example #12

Source File: DoublePipeline.java From JDKSourceCode1.8 with MIT License

6 votes

@Override
public final DoubleStream filter(DoublePredicate predicate) {
    Objects.requireNonNull(predicate);
    return new StatelessOp<Double>(this, StreamShape.DOUBLE_VALUE,
                                   StreamOpFlag.NOT_SIZED) {
        @Override
        Sink<Double> opWrapSink(int flags, Sink<Double> sink) {
            return new Sink.ChainedDouble<Double>(sink) {
                @Override
                public void begin(long size) {
                    downstream.begin(-1);
                }

                @Override
                public void accept(double t) {
                    if (predicate.test(t))
                        downstream.accept(t);
                }
            };
        }
    };
}

Example #13

Source File: MatchOpTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

private void assertDoublePredicates(Supplier<DoubleStream> source, Kind kind, DoublePredicate[] predicates, boolean... answers) {
    for (int i = 0; i < predicates.length; i++) {
        setContext("i", i);
        boolean match = doubleKinds.get(kind).apply(predicates[i]).apply(source.get());
        assertEquals(answers[i], match, kind.toString() + predicates[i].toString());
    }
}

Example #14

Source File: TestLambdaJavaInterfaces.java From openjdk-systemtest with Apache License 2.0

5 votes

@Test public void testDoublePredicate() {
	DoublePredicate isCorrect = (d) -> {
		return d > 2894d;
	};

	assertTrue(isCorrect.test(2898d));
	assertFalse(isCorrect.test(2751d));
	assertFalse(isCorrect.test(38L));
}

Example #15

Source File: MatchOpTest.java From openjdk-jdk8u with GNU General Public License v2.0

5 votes

@Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
public void testDoubleStream(String name, TestData.OfDouble data) {
    for (DoublePredicate p : DOUBLE_PREDICATES) {
        setContext("p", p);
        for (Kind kind : Kind.values()) {
            setContext("kind", kind);
            exerciseTerminalOps(data, doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpFalse), doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpEven), doubleKinds.get(kind).apply(p));
        }
    }
}

Example #16

Source File: MatchOpTest.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

private void assertDoublePredicates(Supplier<DoubleStream> source, Kind kind, DoublePredicate[] predicates, boolean... answers) {
    for (int i = 0; i < predicates.length; i++) {
        setContext("i", i);
        boolean match = doubleKinds.get(kind).apply(predicates[i]).apply(source.get());
        assertEquals(answers[i], match, kind.toString() + predicates[i].toString());
    }
}

Example #17

Source File: MatchOpTest.java From dragonwell8_jdk with GNU General Public License v2.0

5 votes

@Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
public void testDoubleStream(String name, TestData.OfDouble data) {
    for (DoublePredicate p : DOUBLE_PREDICATES) {
        setContext("p", p);
        for (Kind kind : Kind.values()) {
            setContext("kind", kind);
            exerciseTerminalOps(data, doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpFalse), doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpEven), doubleKinds.get(kind).apply(p));
        }
    }
}

Example #18

Source File: MatchOpTest.java From jdk8u60 with GNU General Public License v2.0

5 votes

private void assertDoublePredicates(Supplier<DoubleStream> source, Kind kind, DoublePredicate[] predicates, boolean... answers) {
    for (int i = 0; i < predicates.length; i++) {
        setContext("i", i);
        boolean match = doubleKinds.get(kind).apply(predicates[i]).apply(source.get());
        assertEquals(answers[i], match, kind.toString() + predicates[i].toString());
    }
}

Example #19

Source File: MatchOpTest.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

private void assertDoublePredicates(Supplier<DoubleStream> source, Kind kind, DoublePredicate[] predicates, boolean... answers) {
    for (int i = 0; i < predicates.length; i++) {
        setContext("i", i);
        boolean match = doubleKinds.get(kind).apply(predicates[i]).apply(source.get());
        assertEquals(answers[i], match, kind.toString() + predicates[i].toString());
    }
}

Example #20

Source File: MatchOpTest.java From TencentKona-8 with GNU General Public License v2.0

5 votes

@Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
public void testDoubleStream(String name, TestData.OfDouble data) {
    for (DoublePredicate p : DOUBLE_PREDICATES) {
        setContext("p", p);
        for (Kind kind : Kind.values()) {
            setContext("kind", kind);
            exerciseTerminalOps(data, doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpFalse), doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpEven), doubleKinds.get(kind).apply(p));
        }
    }
}

Example #21

Source File: MatchOpTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

@Test(dataProvider = "DoubleStreamTestData", dataProviderClass = DoubleStreamTestDataProvider.class)
public void testDoubleStream(String name, TestData.OfDouble data) {
    for (DoublePredicate p : DOUBLE_PREDICATES) {
        setContext("p", p);
        for (Kind kind : Kind.values()) {
            setContext("kind", kind);
            exerciseTerminalOps(data, doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpFalse), doubleKinds.get(kind).apply(p));
            exerciseTerminalOps(data, s -> s.filter(dpEven), doubleKinds.get(kind).apply(p));
        }
    }
}

Example #22

Source File: WhileOps.java From Bytecoder with Apache License 2.0

4 votes

OfDouble(Spliterator.OfDouble s, boolean noSplitting, DoublePredicate p) {
    super(s, noSplitting);
    this.p = p;
}

Example #23

Source File: DoublePipeline.java From jdk1.8-source-analysis with Apache License 2.0

4 votes

@Override
public final boolean anyMatch(DoublePredicate predicate) {
    return evaluate(MatchOps.makeDouble(predicate, MatchOps.MatchKind.ANY));
}

Example #24

Source File: DoublePipeline.java From Bytecoder with Apache License 2.0

4 votes

@Override
public final DoubleStream takeWhile(DoublePredicate predicate) {
    return WhileOps.makeTakeWhileDouble(this, predicate);
}

Example #25

Source File: DoublePipeline.java From openjdk-jdk8u-backup with GNU General Public License v2.0

4 votes

@Override
public final boolean noneMatch(DoublePredicate predicate) {
    return evaluate(MatchOps.makeDouble(predicate, MatchOps.MatchKind.NONE));
}

Example #26

Source File: DoublePipeline.java From openjdk-jdk8u-backup with GNU General Public License v2.0

4 votes

@Override
public final boolean allMatch(DoublePredicate predicate) {
    return evaluate(MatchOps.makeDouble(predicate, MatchOps.MatchKind.ALL));
}

Example #27

Source File: DoublePipeline.java From jdk8u-jdk with GNU General Public License v2.0

4 votes

@Override
public final boolean noneMatch(DoublePredicate predicate) {
    return evaluate(MatchOps.makeDouble(predicate, MatchOps.MatchKind.NONE));
}

Example #28

Source File: DoublePipeline.java From openjdk-jdk8u-backup with GNU General Public License v2.0

4 votes

@Override
public final boolean anyMatch(DoublePredicate predicate) {
    return evaluate(MatchOps.makeDouble(predicate, MatchOps.MatchKind.ANY));
}

Example #29

Source File: OptionalDouble.java From metanome-algorithms with Apache License 2.0

4 votes

public OptionalDouble filter(@NonNull DoublePredicate predicate) {
	if (!optional.isPresent()) {
		return this;
	}
	return predicate.test(optional.getAsDouble()) ? this : empty();
}

Example #30

Source File: DoublePipeline.java From Bytecoder with Apache License 2.0

4 votes

@Override
public final DoubleStream dropWhile(DoublePredicate predicate) {
    return WhileOps.makeDropWhileDouble(this, predicate);
}