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ActiveJDBC & JDK8 streams


ActiveJDBC & JDK8 streams

By : user2952716
Date : November 19 2020, 01:01 AM
will be helpful for those in need @jacub.petr, thanks for the pull request. We built and deployed the latest snapshot with your fix. Pull version 1.4.9-SNAPSHOT from https://oss.sonatype.org/content/repositories/snapshots/org/javalite/activejdbc/1.4.10-SNAPSHOT/ and try again. We will be releasing 1.5 soon and your fix will be included
code :


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Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)

Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)


By : Jorge
Date : March 29 2020, 07:55 AM
wish of those help I needed this as well so I just took the source code from b93 and put it in a "util" class. I had to modify it slightly to work with the current API.
For reference here's the working code (take it at your own risk...):
code :
public static<A, B, C> Stream<C> zip(Stream<? extends A> a,
                                     Stream<? extends B> b,
                                     BiFunction<? super A, ? super B, ? extends C> zipper) {
    Objects.requireNonNull(zipper);
    Spliterator<? extends A> aSpliterator = Objects.requireNonNull(a).spliterator();
    Spliterator<? extends B> bSpliterator = Objects.requireNonNull(b).spliterator();

    // Zipping looses DISTINCT and SORTED characteristics
    int characteristics = aSpliterator.characteristics() & bSpliterator.characteristics() &
            ~(Spliterator.DISTINCT | Spliterator.SORTED);

    long zipSize = ((characteristics & Spliterator.SIZED) != 0)
            ? Math.min(aSpliterator.getExactSizeIfKnown(), bSpliterator.getExactSizeIfKnown())
            : -1;

    Iterator<A> aIterator = Spliterators.iterator(aSpliterator);
    Iterator<B> bIterator = Spliterators.iterator(bSpliterator);
    Iterator<C> cIterator = new Iterator<C>() {
        @Override
        public boolean hasNext() {
            return aIterator.hasNext() && bIterator.hasNext();
        }

        @Override
        public C next() {
            return zipper.apply(aIterator.next(), bIterator.next());
        }
    };

    Spliterator<C> split = Spliterators.spliterator(cIterator, zipSize, characteristics);
    return (a.isParallel() || b.isParallel())
           ? StreamSupport.stream(split, true)
           : StreamSupport.stream(split, false);
}
JDK8 not working with JDK8 (WS client)

JDK8 not working with JDK8 (WS client)


By : Michael Holkesvik
Date : March 29 2020, 07:55 AM
should help you out I could only confirm your findings. Since the setup required to reproduce this is minimal, with no loose ends, the only reasonable conclusion so far is that this is a bug in the wsimport tool packaged with the OpenJDK 8. This tool has simply not been updated to reflect the new restrictions imposed by the javadoc tool of the same JDK package.
How do I instrument tables for a subproject(activejdbc)? IE, one of my maven dependencies uses activejdbc

How do I instrument tables for a subproject(activejdbc)? IE, one of my maven dependencies uses activejdbc


By : Billdit
Date : March 29 2020, 07:55 AM
I hope this helps you . You need to use parent/child Maven setup. Please, see a full answer here: https://github.com/javalite/activejdbc/issues/392
ActiveJDBC (JavaLite) : Using "activejdbc.properties" does not work for test directory

ActiveJDBC (JavaLite) : Using "activejdbc.properties" does not work for test directory


By : Priya
Date : March 29 2020, 07:55 AM
Does that help It seems you did not name the file correctly: the name of the file is not activejdbc.property, it is activejdbc.properties.
Additionally, Java class loaders do not guarantee which file they will load first if it finds multiples on the classpath. If you want different JDBC properties in your test environment, please follow docs here: http://javalite.io/database_connection_management#multiple-environments-property-file-method
Raw SQL with ActiveJDBC

Raw SQL with ActiveJDBC


By : Leandro Misael Taboa
Date : March 29 2020, 07:55 AM
like below fixes the issue Please, remember that ActiveJDBC is an ORM, and all attributes returned by a query must match table schema for each model. Please, see here: Model#findBySQL()
Specifically, the JavaDoc states: "Ensure that the query returns all columns associated with this model, so that the resulting models could hydrate itself properly"
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