diff options
Diffstat (limited to 'core/src/main/java/org')
7 files changed, 11 insertions, 7 deletions
diff --git a/core/src/main/java/org/apache/spark/api/java/function/CoGroupFunction.java b/core/src/main/java/org/apache/spark/api/java/function/CoGroupFunction.java index 279639af5d..07aebb75e8 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/CoGroupFunction.java +++ b/core/src/main/java/org/apache/spark/api/java/function/CoGroupFunction.java @@ -25,5 +25,5 @@ import java.util.Iterator; * Datasets. */ public interface CoGroupFunction<K, V1, V2, R> extends Serializable { - Iterable<R> call(K key, Iterator<V1> left, Iterator<V2> right) throws Exception; + Iterator<R> call(K key, Iterator<V1> left, Iterator<V2> right) throws Exception; } diff --git a/core/src/main/java/org/apache/spark/api/java/function/DoubleFlatMapFunction.java b/core/src/main/java/org/apache/spark/api/java/function/DoubleFlatMapFunction.java index 57fd0a7a80..576087b6f4 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/DoubleFlatMapFunction.java +++ b/core/src/main/java/org/apache/spark/api/java/function/DoubleFlatMapFunction.java @@ -18,10 +18,11 @@ package org.apache.spark.api.java.function; import java.io.Serializable; +import java.util.Iterator; /** * A function that returns zero or more records of type Double from each input record. */ public interface DoubleFlatMapFunction<T> extends Serializable { - public Iterable<Double> call(T t) throws Exception; + Iterator<Double> call(T t) throws Exception; } diff --git a/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction.java b/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction.java index ef0d182412..2d8ea6d1a5 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction.java +++ b/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction.java @@ -18,10 +18,11 @@ package org.apache.spark.api.java.function; import java.io.Serializable; +import java.util.Iterator; /** * A function that returns zero or more output records from each input record. */ public interface FlatMapFunction<T, R> extends Serializable { - Iterable<R> call(T t) throws Exception; + Iterator<R> call(T t) throws Exception; } diff --git a/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction2.java b/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction2.java index 14a98a38ef..fc97b63f82 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction2.java +++ b/core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction2.java @@ -18,10 +18,11 @@ package org.apache.spark.api.java.function; import java.io.Serializable; +import java.util.Iterator; /** * A function that takes two inputs and returns zero or more output records. */ public interface FlatMapFunction2<T1, T2, R> extends Serializable { - Iterable<R> call(T1 t1, T2 t2) throws Exception; + Iterator<R> call(T1 t1, T2 t2) throws Exception; } diff --git a/core/src/main/java/org/apache/spark/api/java/function/FlatMapGroupsFunction.java b/core/src/main/java/org/apache/spark/api/java/function/FlatMapGroupsFunction.java index d7a80e7b12..bae574ab57 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/FlatMapGroupsFunction.java +++ b/core/src/main/java/org/apache/spark/api/java/function/FlatMapGroupsFunction.java @@ -24,5 +24,5 @@ import java.util.Iterator; * A function that returns zero or more output records from each grouping key and its values. */ public interface FlatMapGroupsFunction<K, V, R> extends Serializable { - Iterable<R> call(K key, Iterator<V> values) throws Exception; + Iterator<R> call(K key, Iterator<V> values) throws Exception; } diff --git a/core/src/main/java/org/apache/spark/api/java/function/MapPartitionsFunction.java b/core/src/main/java/org/apache/spark/api/java/function/MapPartitionsFunction.java index 6cb569ce0c..cf9945a215 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/MapPartitionsFunction.java +++ b/core/src/main/java/org/apache/spark/api/java/function/MapPartitionsFunction.java @@ -24,5 +24,5 @@ import java.util.Iterator; * Base interface for function used in Dataset's mapPartitions. */ public interface MapPartitionsFunction<T, U> extends Serializable { - Iterable<U> call(Iterator<T> input) throws Exception; + Iterator<U> call(Iterator<T> input) throws Exception; } diff --git a/core/src/main/java/org/apache/spark/api/java/function/PairFlatMapFunction.java b/core/src/main/java/org/apache/spark/api/java/function/PairFlatMapFunction.java index 691ef2eceb..51eed2e67b 100644 --- a/core/src/main/java/org/apache/spark/api/java/function/PairFlatMapFunction.java +++ b/core/src/main/java/org/apache/spark/api/java/function/PairFlatMapFunction.java @@ -18,6 +18,7 @@ package org.apache.spark.api.java.function; import java.io.Serializable; +import java.util.Iterator; import scala.Tuple2; @@ -26,5 +27,5 @@ import scala.Tuple2; * key-value pairs are represented as scala.Tuple2 objects. */ public interface PairFlatMapFunction<T, K, V> extends Serializable { - public Iterable<Tuple2<K, V>> call(T t) throws Exception; + Iterator<Tuple2<K, V>> call(T t) throws Exception; } |