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HBASE-22065 Add listTableDescriptors(List<TableName>) method in AsyncAdmin 

Signed-off-by: zhangduo <zhangduo@apache.org>
This commit is contained in:
niuyulin 2019-03-20 15:27:59 +08:00 committed by zhangduo
parent 556b98101c
commit cbd9c9b2e1
4 changed files with 40 additions and 0 deletions
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7
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncAdmin.java
View File

@ -87,6 +87,13 @@ public interface AsyncAdmin {
CompletableFuture<List<TableDescriptor>> listTableDescriptors(Pattern pattern,
boolean includeSysTables);
/**
* List specific tables including system tables.
* @param tableNames the table list to match against
* @return - returns a list of TableDescriptors wrapped by a {@link CompletableFuture}.
*/
CompletableFuture<List<TableDescriptor>> listTableDescriptors(List<TableName> tableNames);
/**
* Get list of table descriptors by namespace.
* @param name namespace name

5
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncHBaseAdmin.java
View File

@ -88,6 +88,11 @@ class AsyncHBaseAdmin implements AsyncAdmin {
return wrap(rawAdmin.listTableDescriptors(pattern, includeSysTables));
}
@Override
public CompletableFuture<List<TableDescriptor>> listTableDescriptors(List<TableName> tableNames) {
return wrap(rawAdmin.listTableDescriptors(tableNames));
}
@Override
public CompletableFuture<List<TableDescriptor>> listTableDescriptorsByNamespace(String name) {
return wrap(rawAdmin.listTableDescriptorsByNamespace(name));

10
hbase-client/src/main/java/org/apache/hadoop/hbase/client/RawAsyncHBaseAdmin.java
View File

@ -473,6 +473,16 @@ class RawAsyncHBaseAdmin implements AsyncAdmin {
includeSysTables));
}
@Override
public CompletableFuture<List<TableDescriptor>> listTableDescriptors(List<TableName> tableNames) {
Preconditions.checkNotNull(tableNames,
"tableNames is null. If you don't specify tableNames, " + "use listTables(boolean) instead");
if (tableNames.isEmpty()) {
return CompletableFuture.completedFuture(Collections.emptyList());
}
return getTableDescriptors(RequestConverter.buildGetTableDescriptorsRequest(tableNames));
}
private CompletableFuture<List<TableDescriptor>>
getTableDescriptors(GetTableDescriptorsRequest request) {
return this.<List<TableDescriptor>> newMasterCaller()

18
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableAdminApi3.java
View File

@ -25,6 +25,8 @@ import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.ExecutionException;
@ -110,6 +112,22 @@ public class TestAsyncTableAdminApi3 extends TestAsyncAdminBase {
assertTrue("Not found: " + tables[i], found);
}
tableNames = new ArrayList<TableName>(tables.length + 1);
tableDescs = admin.listTableDescriptors(tableNames).get();
size = tableDescs.size();
assertEquals(0, size);
Collections.addAll(tableNames, tables);
tableNames.add(TableName.META_TABLE_NAME);
tableDescs = admin.listTableDescriptors(tableNames).get();
size = tableDescs.size();
assertEquals(tables.length + 1, size);
for (int i = 0, j = 0; i < tables.length && j < size; i++, j++) {
assertTrue("tableName should be equal in order",
tableDescs.get(j).getTableName().equals(tables[i]));
}
assertTrue(tableDescs.get(size - 1).getTableName().equals(TableName.META_TABLE_NAME));
for (int i = 0; i < tables.length; i++) {
admin.disableTable(tables[i]).join();
admin.deleteTable(tables[i]).join();