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This patch adds a few methods to java API such that it is possible to pass lambdas instead of Anonymous classes and also java 6/7 api users can use the same apis by passing anonymous classes. To achieve this a few older API methods are removed and replaced with their ToPair/ToDouble versions. 1) all anonymous classes extending scala Function is replaced by interfaces. 2) Adds optional to run java 8 tests Please refer to PR comments for more details.
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24 changes: 24 additions & 0 deletions
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core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import java.io.Serializable; | ||
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public interface FlatMapFunction<T, R> extends Serializable { | ||
public Iterable<R> call(T t) throws Exception; | ||
} |
24 changes: 24 additions & 0 deletions
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core/src/main/java/org/apache/spark/api/java/function/FlatMapFunction2.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import java.io.Serializable; | ||
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public interface FlatMapFunction2<T1, T2, R> extends Serializable { | ||
public Iterable<R> call(T1 t1, T2 t2) throws Exception; | ||
} |
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24 changes: 24 additions & 0 deletions
24
core/src/main/java/org/apache/spark/api/java/function/Function2.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import java.io.Serializable; | ||
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public interface Function2<T1, T2, R> extends Serializable { | ||
public R call(T1 v1, T2 v2) throws Exception; | ||
} |
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26 changes: 26 additions & 0 deletions
26
core/src/main/java/org/apache/spark/api/java/function/PairFlatMapFunction.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import scala.Tuple2; | ||
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import java.io.Serializable; | ||
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public interface PairFlatMapFunction<T, K, V> extends Serializable { | ||
public Iterable<Tuple2<K, V>> call(T t) throws Exception; | ||
} |
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core/src/main/java/org/apache/spark/api/java/function/PairFunction.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import java.io.Serializable; | ||
import scala.Tuple2; | ||
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public interface PairFunction<T, K, V> extends Serializable { | ||
public Tuple2<K, V> call(T t) throws Exception; | ||
} |
24 changes: 24 additions & 0 deletions
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core/src/main/java/org/apache/spark/api/java/function/VoidFunction.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import java.io.Serializable; | ||
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public interface VoidFunction<T> extends Serializable { | ||
public void call(T t) throws Exception; | ||
} |
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