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[FLINK-8299][flip6] Retrieve JobExecutionResult after job submission
[FLINK-8299][flip6] Improve ExponentialWaitStrategy Add additional argument validation. Add more unit tests. This closes #5207.
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46 changes: 46 additions & 0 deletions
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...nts/src/main/java/org/apache/flink/client/program/rest/retry/ExponentialWaitStrategy.java
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| Original file line number | Diff line number | Diff line change |
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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.flink.client.program.rest.retry; | ||
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| import static org.apache.flink.util.Preconditions.checkArgument; | ||
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| /** | ||
| * {@link WaitStrategy} with exponentially increasing sleep time. | ||
| */ | ||
| public class ExponentialWaitStrategy implements WaitStrategy { | ||
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| private final long initialWait; | ||
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| private final long maxWait; | ||
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| public ExponentialWaitStrategy(final long initialWait, final long maxWait) { | ||
| checkArgument(initialWait > 0, "initialWait must be positive, was %s", initialWait); | ||
| checkArgument(maxWait > 0, "maxWait must be positive, was %s", maxWait); | ||
| checkArgument(initialWait <= maxWait, "initialWait must be lower than or equal to maxWait", maxWait); | ||
| this.initialWait = initialWait; | ||
| this.maxWait = maxWait; | ||
| } | ||
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| @Override | ||
| public long sleepTime(final long attempt) { | ||
| checkArgument(attempt >= 0, "attempt must not be negative (%d)", attempt); | ||
| final long exponentialSleepTime = initialWait * Math.round(Math.pow(2, attempt)); | ||
| return exponentialSleepTime >= 0 && exponentialSleepTime < maxWait ? exponentialSleepTime : maxWait; | ||
| } | ||
| } |
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flink-clients/src/main/java/org/apache/flink/client/program/rest/retry/WaitStrategy.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.flink.client.program.rest.retry; | ||
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| /** | ||
| * Operations that are polling for a result to arrive require a waiting time between consecutive | ||
| * polls. A {@code WaitStrategy} determines this waiting time. | ||
| */ | ||
| @FunctionalInterface | ||
| public interface WaitStrategy { | ||
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| /** | ||
| * Returns the time to wait until the next attempt. Attempts start at {@code 0}. | ||
| * @param attempt The number of the last attempt. | ||
| * @return Waiting time in ms. | ||
| */ | ||
| long sleepTime(long attempt); | ||
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| } |
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