org.apache.hadoop.hbase.client.AsyncAdminBuilder Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.hadoop.hbase.client;
import static org.apache.hadoop.hbase.client.ConnectionUtils.retries2Attempts;
import java.util.concurrent.TimeUnit;
import org.apache.hadoop.hbase.HBaseServerException;
import org.apache.yetus.audience.InterfaceAudience;
/**
* For creating {@link AsyncAdmin}. The implementation should have default configurations set before
* returning the builder to user. So users are free to only set the configs they care about to
* create a new AsyncAdmin instance.
* @since 2.0.0
*/
@InterfaceAudience.Public
public interface AsyncAdminBuilder {
/**
* Set timeout for a whole admin operation. Operation timeout and max attempt times(or max retry
* times) are both limitations for retrying, we will stop retrying when we reach any of the
* limitations.
* @return this for invocation chaining
*/
AsyncAdminBuilder setOperationTimeout(long timeout, TimeUnit unit);
/**
* Set timeout for each rpc request.
* @return this for invocation chaining
*/
AsyncAdminBuilder setRpcTimeout(long timeout, TimeUnit unit);
/**
* Set the base pause time for retrying. We use an exponential policy to generate sleep time when
* retrying.
* @return this for invocation chaining
* @see #setRetryPauseForServerOverloaded(long, TimeUnit)
*/
AsyncAdminBuilder setRetryPause(long timeout, TimeUnit unit);
/**
* Set the base pause time for retrying when {@link HBaseServerException#isServerOverloaded()}. We
* use an exponential policy to generate sleep time from this base when retrying.
*
* This value should be greater than the normal pause value which could be set with the above
* {@link #setRetryPause(long, TimeUnit)} method, as usually
* {@link HBaseServerException#isServerOverloaded()} means the server is overloaded. We just use
* the normal pause value for {@link HBaseServerException#isServerOverloaded()} if here you
* specify a smaller value.
* @see #setRetryPause(long, TimeUnit)
* @deprecated Since 2.5.0, will be removed in 4.0.0. Please use
* {@link #setRetryPauseForServerOverloaded(long, TimeUnit)} instead.
*/
@Deprecated
default AsyncAdminBuilder setRetryPauseForCQTBE(long pause, TimeUnit unit) {
return setRetryPauseForServerOverloaded(pause, unit);
}
/**
* Set the base pause time for retrying when {@link HBaseServerException#isServerOverloaded()}. We
* use an exponential policy to generate sleep time when retrying.
*
* This value should be greater than the normal pause value which could be set with the above
* {@link #setRetryPause(long, TimeUnit)} method, as usually
* {@link HBaseServerException#isServerOverloaded()} means the server is overloaded. We just use
* the normal pause value for {@link HBaseServerException#isServerOverloaded()} if here you
* specify a smaller value.
* @see #setRetryPause(long, TimeUnit)
*/
AsyncAdminBuilder setRetryPauseForServerOverloaded(long pause, TimeUnit unit);
/**
* Set the max retry times for an admin operation. Usually it is the max attempt times minus 1.
* Operation timeout and max attempt times(or max retry times) are both limitations for retrying,
* we will stop retrying when we reach any of the limitations.
* @return this for invocation chaining
*/
default AsyncAdminBuilder setMaxRetries(int maxRetries) {
return setMaxAttempts(retries2Attempts(maxRetries));
}
/**
* Set the max attempt times for an admin operation. Usually it is the max retry times plus 1.
* Operation timeout and max attempt times(or max retry times) are both limitations for retrying,
* we will stop retrying when we reach any of the limitations.
* @return this for invocation chaining
*/
AsyncAdminBuilder setMaxAttempts(int maxAttempts);
/**
* Set the number of retries that are allowed before we start to log.
* @return this for invocation chaining
*/
AsyncAdminBuilder setStartLogErrorsCnt(int startLogErrorsCnt);
/**
* Create a {@link AsyncAdmin} instance.
* @return a {@link AsyncAdmin} instance
*/
AsyncAdmin build();
}