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Merge pull request alteryx#47 from xiliu82/branch-0.8
add Function3 and WrappedFunction3 I need these two to add more API to spark streaming
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38 changes: 38 additions & 0 deletions
38
core/src/main/scala/org/apache/spark/api/java/function/Function3.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.reflect.ClassManifest; | ||
import scala.reflect.ClassManifest$; | ||
import scala.runtime.AbstractFunction3; | ||
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import java.io.Serializable; | ||
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/** | ||
* A three-argument function that takes arguments of type T1, T2, and T3 and returns an R. | ||
*/ | ||
public abstract class Function3<T1, T2, T3, R> extends WrappedFunction3<T1, T2, T3, R> | ||
implements Serializable { | ||
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public abstract R call(T1 t1, T2 t2, T3 t3) throws Exception; | ||
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public ClassManifest<R> returnType() { | ||
return (ClassManifest<R>) ClassManifest$.MODULE$.fromClass(Object.class); | ||
} | ||
} | ||
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38 changes: 38 additions & 0 deletions
38
core/src/main/scala/org/apache/spark/api/java/function/Function4.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one or more | ||
* contributor license agreements. See the NOTICE file distributed with | ||
* this work for additional information regarding copyright ownership. | ||
* The ASF licenses this file to You under the Apache License, Version 2.0 | ||
* (the "License"); you may not use this file except in compliance with | ||
* the License. You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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package org.apache.spark.api.java.function; | ||
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import scala.reflect.ClassManifest; | ||
import scala.reflect.ClassManifest$; | ||
import scala.runtime.AbstractFunction3; | ||
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import java.io.Serializable; | ||
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/** | ||
* A four-argument function that takes arguments of type T1, T2, T3, and T4 and returns an R. | ||
*/ | ||
public abstract class Function4<T1, T2, T3, T4, R> extends WrappedFunction4<T1, T2, T3, T4, R> | ||
implements Serializable { | ||
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public abstract R call(T1 t1, T2 t2, T3 t3, T4 t4) throws Exception; | ||
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public ClassManifest<R> returnType() { | ||
return (ClassManifest<R>) ClassManifest$.MODULE$.fromClass(Object.class); | ||
} | ||
} | ||
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32 changes: 32 additions & 0 deletions
32
core/src/main/scala/org/apache/spark/api/java/function/WrappedFunction3.scala
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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.runtime.AbstractFunction3 | ||
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/** | ||
* Subclass of Function3 for ease of calling from Java. The main thing it does is re-expose the | ||
* apply() method as call() and declare that it can throw Exception (since AbstractFunction3.apply | ||
* isn't marked to allow that). | ||
*/ | ||
private[spark] abstract class WrappedFunction3[T1, T2, T3, R] extends AbstractFunction3[T1, T2, T3, R] { | ||
@throws(classOf[Exception]) | ||
def call(t1: T1, t2: T2, t3: T3): R | ||
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final def apply(t1: T1, t2: T2, t3: T3): R = call(t1, t2, t3) | ||
} |
32 changes: 32 additions & 0 deletions
32
core/src/main/scala/org/apache/spark/api/java/function/WrappedFunction4.scala
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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.runtime.AbstractFunction4 | ||
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/** | ||
* Subclass of Function4 for ease of calling from Java. The main thing it does is re-expose the | ||
* apply() method as call() and declare that it can throw Exception (since AbstractFunction3.apply | ||
* isn't marked to allow that). | ||
*/ | ||
private[spark] abstract class WrappedFunction4[T1, T2, T3, T4, R] extends AbstractFunction4[T1, T2, T3, T4, R] { | ||
@throws(classOf[Exception]) | ||
def call(t1: T1, t2: T2, t3: T3, t4: T4): R | ||
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final def apply(t1: T1, t2: T2, t3: T3, t4: T4): R = call(t1, t2, t3, t4) | ||
} |