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94 changes: 39 additions & 55 deletions
94
...on-flink/paimon-flink-common/src/test/java/org/apache/paimon/flink/AskwangJavaITCase.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,67 +1,51 @@ | ||
| /* | ||
| * 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.paimon.flink; | ||
|
|
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| import com.google.common.cache.Cache; | ||
| import com.google.common.cache.CacheBuilder; | ||
| import org.apache.paimon.data.BinaryRow; | ||
| import org.apache.paimon.fs.Path; | ||
|
|
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| import org.junit.jupiter.api.Test; | ||
|
|
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| import java.time.Duration; | ||
| import java.util.concurrent.Callable; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.function.BinaryOperator; | ||
|
|
||
| /** java use. */ | ||
| public class AskwangJavaITCase { | ||
|
|
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| @Test | ||
| public void testBinaryOperator() { | ||
| BinaryOperator<Integer> binaryOperator1 = (m, n) -> m + n; | ||
| BinaryOperator<Integer> binaryOperator2 = Integer::sum; | ||
| Integer sum = binaryOperator2.apply(3, 5); | ||
| assert(sum == 8); | ||
| } | ||
|
|
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| @Test | ||
| public void testPathGetName() { | ||
| String SNAPSHOT_PREFIX = "snapshot-"; | ||
| Path path = new Path("hdfs://ns/warehouse/db/tb/snapshot/snapshot-1"); | ||
| String name = path.getName(); | ||
| System.out.println(name); | ||
| String index = name.substring("snapshot-".length()); | ||
| System.out.println(index); | ||
|
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| Path path1 = new Path("hdfs://ns/warehouse/db/tb/snapshot/EARLIEST"); | ||
| // path_length < begin_index => throw StringIndexOutOfBoundsException | ||
| String pos = path1.getName().substring(SNAPSHOT_PREFIX.length()); | ||
| System.out.println(pos); | ||
| } | ||
|
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| @Test | ||
| public void testAddCommitPartitionCache() { | ||
| Cache<BinaryRow, Boolean> cache = CacheBuilder.newBuilder() | ||
| .expireAfterAccess(30, TimeUnit.MINUTES) | ||
| .maximumSize(300) | ||
| .softValues() | ||
| .build(); | ||
|
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| // askwang-todo: partition transform to BinaryRow | ||
| // paimon-0.9: AddPartitionCommitCallback#addPartition. cache的使用 | ||
| BinaryRow partition = null; | ||
| try { | ||
| Boolean added = cache.get(partition, new Callable<Boolean>() { | ||
| @Override | ||
| public Boolean call() throws Exception { | ||
| return false; | ||
| } | ||
| }); | ||
| if (added) { | ||
| // return | ||
| } | ||
| // client.addPartition(partition); | ||
| cache.put(partition, true); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| @Test | ||
| public void testBinaryOperator() { | ||
| BinaryOperator<Integer> binaryOperator1 = (m, n) -> m + n; | ||
| BinaryOperator<Integer> binaryOperator2 = Integer::sum; | ||
| Integer sum = binaryOperator2.apply(3, 5); | ||
| assert (sum == 8); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testPathGetName() { | ||
| Path path = new Path("hdfs://ns/warehouse/db/tb/snapshot/snapshot-1"); | ||
| String name = path.getName(); | ||
| System.out.println(name); | ||
| String index = name.substring("snapshot-".length()); | ||
| System.out.println(index); | ||
|
|
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| Path path1 = new Path("hdfs://ns/warehouse/db/tb/snapshot/EARLIEST"); | ||
| // path_length < begin_index => throw StringIndexOutOfBoundsException | ||
| String pos = path1.getName().substring("snapshot-".length()); | ||
| System.out.println(pos); | ||
| } | ||
| } |
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