#306

Committed 30 Apr 2024 10:01PM UTC coverage: 97.645% (-0.5%) from 98.139%

Build # #306

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push

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Commit Message

Merge pull request #555 from apache/fix_pom_xml_header

Fix pom xml header

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85.71

/src/main/java/org/apache/datasketches/tuple/Sketches.java

/*
 * 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.
 */

package org.apache.datasketches.tuple;

import org.apache.datasketches.memory.Memory;

/**
 * Convenient static methods to instantiate generic tuple sketches.
 */
@SuppressWarnings("deprecation")
public final class Sketches {

  /**
   * @param <S> Type of Summary
   * @return an empty instance of Sketch
   */
  public static <S extends Summary> Sketch<S> createEmptySketch() {
    return new CompactSketch<>(null, null, Long.MAX_VALUE, true);
  }

  /**
   * Instantiate a Sketch from a given Memory.
   * @param <S> Type of Summary
   * @param mem Memory object representing a Sketch
   * @param deserializer instance of SummaryDeserializer
   * @return Sketch created from its Memory representation
   */
  public static <S extends Summary> Sketch<S> heapifySketch(
      final Memory mem,
      final SummaryDeserializer<S> deserializer) {
    final SerializerDeserializer.SketchType sketchType = SerializerDeserializer.getSketchType(mem);
    if (sketchType == SerializerDeserializer.SketchType.QuickSelectSketch) {
      return new QuickSelectSketch<>(mem, deserializer, null);
    }
    return new CompactSketch<>(mem, deserializer);
  }

  /**
   * Instantiate UpdatableSketch from a given Memory
   * @param <U> Type of update value
   * @param <S> Type of Summary
   * @param mem Memory object representing a Sketch
   * @param deserializer instance of SummaryDeserializer
   * @param summaryFactory instance of SummaryFactory
   * @return Sketch created from its Memory representation
   */
  public static <U, S extends UpdatableSummary<U>> UpdatableSketch<U, S> heapifyUpdatableSketch(
      final Memory mem,
      final SummaryDeserializer<S> deserializer,
      final SummaryFactory<S> summaryFactory) {
    return new UpdatableSketch<>(mem, deserializer, summaryFactory);
  }

}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one
3	* or more contributor license agreements. See the NOTICE file
4	* distributed with this work for additional information
5	* regarding copyright ownership. The ASF licenses this file
6	* to you under the Apache License, Version 2.0 (the
7	* "License"); you may not use this file except in compliance
8	* with the License. You may obtain a copy of the License at
9	*
10	* http://www.apache.org/licenses/LICENSE-2.0
11	*
12	* Unless required by applicable law or agreed to in writing,
13	* software distributed under the License is distributed on an
14	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15	* KIND, either express or implied. See the License for the
16	* specific language governing permissions and limitations
17	* under the License.
18	*/
19
20	package org.apache.datasketches.tuple;
21
22	import org.apache.datasketches.memory.Memory;
23
24	/**
25	* Convenient static methods to instantiate generic tuple sketches.
26	*/
27	@SuppressWarnings("deprecation")
28	public final class Sketches {	×
29
30	/**
31	* @param <S> Type of Summary
32	* @return an empty instance of Sketch
33	*/
34	public static <S extends Summary> Sketch<S> createEmptySketch() {
35	return new CompactSketch<>(null, null, Long.MAX_VALUE, true);	1✔
36	}
37
38	/**
39	* Instantiate a Sketch from a given Memory.
40	* @param <S> Type of Summary
41	* @param mem Memory object representing a Sketch
42	* @param deserializer instance of SummaryDeserializer
43	* @return Sketch created from its Memory representation
44	*/
45	public static <S extends Summary> Sketch<S> heapifySketch(
46	final Memory mem,
47	final SummaryDeserializer<S> deserializer) {
48	final SerializerDeserializer.SketchType sketchType = SerializerDeserializer.getSketchType(mem);	1✔
49	if (sketchType == SerializerDeserializer.SketchType.QuickSelectSketch) {	1✔
50	return new QuickSelectSketch<>(mem, deserializer, null);	1✔
51	}
52	return new CompactSketch<>(mem, deserializer);	1✔
53	}
54
55	/**
56	* Instantiate UpdatableSketch from a given Memory
57	* @param <U> Type of update value
58	* @param <S> Type of Summary
59	* @param mem Memory object representing a Sketch
60	* @param deserializer instance of SummaryDeserializer
61	* @param summaryFactory instance of SummaryFactory
62	* @return Sketch created from its Memory representation
63	*/
64	public static <U, S extends UpdatableSummary<U>> UpdatableSketch<U, S> heapifyUpdatableSketch(
65	final Memory mem,
66	final SummaryDeserializer<S> deserializer,
67	final SummaryFactory<S> summaryFactory) {
68	return new UpdatableSketch<>(mem, deserializer, summaryFactory);	1✔
69	}
70
71	}

apache / datasketches-java / #306

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