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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.
*/
package org.apache.hadoop.hbase.client;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.coprocessor.Batch;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.yetus.audience.InterfaceStability;
/**
* Contains the attributes of a task which will be executed by
* {@link org.apache.hadoop.hbase.client.AsyncProcess}. The attributes will be validated by
* AsyncProcess. It's intended for advanced client applications.
* @param The type of response from server-side
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class AsyncProcessTask {
/**
* The number of processed rows. The AsyncProcess has traffic control which may reject some rows.
*/
public enum SubmittedRows {
ALL,
AT_LEAST_ONE,
NORMAL
}
public static Builder newBuilder(final Batch.Callback callback) {
return new Builder<>(callback);
}
public static Builder newBuilder() {
return new Builder();
}
public static class Builder {
private ExecutorService pool;
private TableName tableName;
private RowAccess rows;
private SubmittedRows submittedRows = SubmittedRows.ALL;
private Batch.Callback callback;
private boolean needResults;
private int rpcTimeout;
private int operationTimeout;
private CancellableRegionServerCallable callable;
private Object[] results;
private Map requestAttributes = Collections.emptyMap();
private Builder() {
}
private Builder(Batch.Callback callback) {
this.callback = callback;
}
Builder setResults(Object[] results) {
this.results = results;
if (results != null && results.length != 0) {
setNeedResults(true);
}
return this;
}
public Builder setPool(ExecutorService pool) {
this.pool = pool;
return this;
}
public Builder setRpcTimeout(int rpcTimeout) {
this.rpcTimeout = rpcTimeout;
return this;
}
public Builder setOperationTimeout(int operationTimeout) {
this.operationTimeout = operationTimeout;
return this;
}
public Builder setTableName(TableName tableName) {
this.tableName = tableName;
return this;
}
public Builder setRowAccess(List rows) {
this.rows = new ListRowAccess<>(rows);
return this;
}
public Builder setRowAccess(RowAccess rows) {
this.rows = rows;
return this;
}
public Builder setSubmittedRows(SubmittedRows submittedRows) {
this.submittedRows = submittedRows;
return this;
}
public Builder setNeedResults(boolean needResults) {
this.needResults = needResults;
return this;
}
Builder setCallable(CancellableRegionServerCallable callable) {
this.callable = callable;
return this;
}
Builder setRequestAttributes(Map requestAttributes) {
this.requestAttributes = requestAttributes;
return this;
}
public AsyncProcessTask build() {
return new AsyncProcessTask<>(pool, tableName, rows, submittedRows, callback, callable,
needResults, rpcTimeout, operationTimeout, results, requestAttributes);
}
}
private final ExecutorService pool;
private final TableName tableName;
private final RowAccess rows;
private final SubmittedRows submittedRows;
private final Batch.Callback callback;
private final CancellableRegionServerCallable callable;
private final boolean needResults;
private final int rpcTimeout;
private final int operationTimeout;
private final Object[] results;
private final Map requestAttributes;
AsyncProcessTask(AsyncProcessTask task) {
this(task.getPool(), task.getTableName(), task.getRowAccess(), task.getSubmittedRows(),
task.getCallback(), task.getCallable(), task.getNeedResults(), task.getRpcTimeout(),
task.getOperationTimeout(), task.getResults(), task.getRequestAttributes());
}
AsyncProcessTask(ExecutorService pool, TableName tableName, RowAccess rows,
SubmittedRows size, Batch.Callback callback, CancellableRegionServerCallable callable,
boolean needResults, int rpcTimeout, int operationTimeout, Object[] results,
Map requestAttributes) {
this.pool = pool;
this.tableName = tableName;
this.rows = rows;
this.submittedRows = size;
this.callback = callback;
this.callable = callable;
this.needResults = needResults;
this.rpcTimeout = rpcTimeout;
this.operationTimeout = operationTimeout;
this.results = results;
this.requestAttributes = requestAttributes;
}
public int getOperationTimeout() {
return operationTimeout;
}
public ExecutorService getPool() {
return pool;
}
public TableName getTableName() {
return tableName;
}
public RowAccess getRowAccess() {
return rows;
}
public SubmittedRows getSubmittedRows() {
return submittedRows;
}
public Batch.Callback getCallback() {
return callback;
}
CancellableRegionServerCallable getCallable() {
return callable;
}
public Map getRequestAttributes() {
return requestAttributes;
}
Object[] getResults() {
return results;
}
public boolean getNeedResults() {
return needResults;
}
public int getRpcTimeout() {
return rpcTimeout;
}
static class ListRowAccess implements RowAccess {
private final List data;
ListRowAccess(final List data) {
this.data = data;
}
@Override
public int size() {
return data.size();
}
@Override
public boolean isEmpty() {
return data.isEmpty();
}
@Override
public Iterator iterator() {
return data.iterator();
}
}
}
