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https://issues.apache.org/jira/browse/SPARK-8853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Feynman Liang updated SPARK-8853:
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Description:
{{FPGrowth[Item : ClassTag]}} has a public constructor but uses a parameterized
type with a context bound {{ClassTag}}, making it difficult to instantiate in
Java.
For example, to instantiate one needs to do
{code:title=Foobar.java|borderStyle=solid}
import scala.reflect.ClassTag;
ClassTag<String> tag = scala.reflect.ClassTag$.MODULE$.apply(String.class)
FPGrowthModel<String> model = new FPGrowthModel<String>(rdd, 35L, tag);
{code}
was:
{{FPGrowth[Item : ClassTag]}} has a public constructor but uses a parameterized
type with a context bound {{ClassTag}}, making it difficult to instantiate in
Java.
For example, to instantiate one needs to do
{code:title=Bar.java|borderStyle=solid}
import scala.reflect.ClassTag;
ClassTag<String> tag = scala.reflect.ClassTag$.MODULE$.apply(String.class)
FPGrowthModel<String> model = new FPGrowthModel<String>(rdd, 35L, tag);
{code}
> FPGrowth is not Java-Friendly
> -----------------------------
>
> Key: SPARK-8853
> URL: https://issues.apache.org/jira/browse/SPARK-8853
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Feynman Liang
>
> {{FPGrowth[Item : ClassTag]}} has a public constructor but uses a
> parameterized type with a context bound {{ClassTag}}, making it difficult to
> instantiate in Java.
> For example, to instantiate one needs to do
> {code:title=Foobar.java|borderStyle=solid}
> import scala.reflect.ClassTag;
> ClassTag<String> tag = scala.reflect.ClassTag$.MODULE$.apply(String.class)
> FPGrowthModel<String> model = new FPGrowthModel<String>(rdd, 35L, tag);
> {code}
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