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com.facebook.presto.spi.connector.classloader.ClassLoaderSafeConnectorMetadata Maven / Gradle / Ivy
/*
* Licensed 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 com.facebook.presto.spi.connector.classloader;
import com.facebook.presto.spi.ColumnHandle;
import com.facebook.presto.spi.ColumnMetadata;
import com.facebook.presto.spi.ConnectorInsertTableHandle;
import com.facebook.presto.spi.ConnectorNewTableLayout;
import com.facebook.presto.spi.ConnectorOutputTableHandle;
import com.facebook.presto.spi.ConnectorResolvedIndex;
import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.ConnectorTableHandle;
import com.facebook.presto.spi.ConnectorTableLayout;
import com.facebook.presto.spi.ConnectorTableLayoutHandle;
import com.facebook.presto.spi.ConnectorTableLayoutResult;
import com.facebook.presto.spi.ConnectorTableMetadata;
import com.facebook.presto.spi.ConnectorViewDefinition;
import com.facebook.presto.spi.Constraint;
import com.facebook.presto.spi.SchemaTableName;
import com.facebook.presto.spi.SchemaTablePrefix;
import com.facebook.presto.spi.SystemTable;
import com.facebook.presto.spi.classloader.ThreadContextClassLoader;
import com.facebook.presto.spi.connector.ConnectorMetadata;
import com.facebook.presto.spi.connector.ConnectorOutputMetadata;
import com.facebook.presto.spi.connector.ConnectorPartitioningHandle;
import com.facebook.presto.spi.predicate.TupleDomain;
import com.facebook.presto.spi.security.GrantInfo;
import com.facebook.presto.spi.security.Privilege;
import com.facebook.presto.spi.statistics.ComputedStatistics;
import com.facebook.presto.spi.statistics.TableStatistics;
import com.facebook.presto.spi.statistics.TableStatisticsMetadata;
import io.airlift.slice.Slice;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.OptionalLong;
import java.util.Set;
import static java.util.Objects.requireNonNull;
public class ClassLoaderSafeConnectorMetadata
implements ConnectorMetadata
{
private final ConnectorMetadata delegate;
private final ClassLoader classLoader;
public ClassLoaderSafeConnectorMetadata(ConnectorMetadata delegate, ClassLoader classLoader)
{
this.delegate = requireNonNull(delegate, "delegate is null");
this.classLoader = requireNonNull(classLoader, "classLoader is null");
}
@Override
public List getTableLayouts(
ConnectorSession session,
ConnectorTableHandle table,
Constraint constraint,
Optional> desiredColumns)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getTableLayouts(session, table, constraint, desiredColumns);
}
}
@Override
public ConnectorTableLayout getTableLayout(ConnectorSession session, ConnectorTableLayoutHandle handle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getTableLayout(session, handle);
}
}
@Override
public Optional getCommonPartitioningHandle(ConnectorSession session, ConnectorPartitioningHandle left, ConnectorPartitioningHandle right)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getCommonPartitioningHandle(session, left, right);
}
}
@Override
public ConnectorTableLayoutHandle getAlternativeLayoutHandle(ConnectorSession session, ConnectorTableLayoutHandle tableLayoutHandle, ConnectorPartitioningHandle partitioningHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getAlternativeLayoutHandle(session, tableLayoutHandle, partitioningHandle);
}
}
@Override
public Optional getNewTableLayout(ConnectorSession session, ConnectorTableMetadata tableMetadata)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getNewTableLayout(session, tableMetadata);
}
}
@Override
public Optional getInsertLayout(ConnectorSession session, ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getInsertLayout(session, tableHandle);
}
}
@Override
public TableStatisticsMetadata getStatisticsCollectionMetadata(ConnectorSession session, ConnectorTableMetadata tableMetadata)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getStatisticsCollectionMetadata(session, tableMetadata);
}
}
@Override
public boolean schemaExists(ConnectorSession session, String schemaName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.schemaExists(session, schemaName);
}
}
@Override
public List listSchemaNames(ConnectorSession session)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listSchemaNames(session);
}
}
@Override
public ConnectorTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getTableHandle(session, tableName);
}
}
@Override
public Optional getSystemTable(ConnectorSession session, SchemaTableName tableName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getSystemTable(session, tableName);
}
}
@Override
public ConnectorTableMetadata getTableMetadata(ConnectorSession session, ConnectorTableHandle table)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getTableMetadata(session, table);
}
}
@Override
public Optional getInfo(ConnectorTableLayoutHandle table)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getInfo(table);
}
}
@Override
public List listTables(ConnectorSession session, Optional schemaName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listTables(session, schemaName);
}
}
@Override
public List listTables(ConnectorSession session, String schemaNameOrNull)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listTables(session, schemaNameOrNull);
}
}
@Override
public Map getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getColumnHandles(session, tableHandle);
}
}
@Override
public ColumnMetadata getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getColumnMetadata(session, tableHandle, columnHandle);
}
}
@Override
public Map> listTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listTableColumns(session, prefix);
}
}
@Override
public TableStatistics getTableStatistics(ConnectorSession session, ConnectorTableHandle tableHandle, Constraint constraint)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getTableStatistics(session, tableHandle, constraint);
}
}
@Override
public void addColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnMetadata column)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.addColumn(session, tableHandle, column);
}
}
@Override
public void createSchema(ConnectorSession session, String schemaName, Map properties)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.createSchema(session, schemaName, properties);
}
}
@Override
public void dropSchema(ConnectorSession session, String schemaName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.dropSchema(session, schemaName);
}
}
@Override
public void renameSchema(ConnectorSession session, String source, String target)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.renameSchema(session, source, target);
}
}
@Override
public void createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, boolean ignoreExisting)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.createTable(session, tableMetadata, ignoreExisting);
}
}
@Override
public void dropTable(ConnectorSession session, ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.dropTable(session, tableHandle);
}
}
@Override
public void renameColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle source, String target)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.renameColumn(session, tableHandle, source, target);
}
}
@Override
public void dropColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.dropColumn(session, tableHandle, column);
}
}
@Override
public void renameTable(ConnectorSession session, ConnectorTableHandle tableHandle, SchemaTableName newTableName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.renameTable(session, tableHandle, newTableName);
}
}
@Override
public ConnectorOutputTableHandle beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, Optional layout)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.beginCreateTable(session, tableMetadata, layout);
}
}
@Override
public Optional finishCreateTable(ConnectorSession session, ConnectorOutputTableHandle tableHandle, Collection fragments, Collection computedStatistics)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.finishCreateTable(session, tableHandle, fragments, computedStatistics);
}
}
@Override
public void beginQuery(ConnectorSession session)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.beginQuery(session);
}
}
@Override
public void cleanupQuery(ConnectorSession session)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.cleanupQuery(session);
}
}
@Override
public ConnectorInsertTableHandle beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.beginInsert(session, tableHandle);
}
}
@Override
public Optional finishInsert(ConnectorSession session, ConnectorInsertTableHandle insertHandle, Collection fragments, Collection computedStatistics)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.finishInsert(session, insertHandle, fragments, computedStatistics);
}
}
@Override
public void createView(ConnectorSession session, SchemaTableName viewName, String viewData, boolean replace)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.createView(session, viewName, viewData, replace);
}
}
@Override
public void dropView(ConnectorSession session, SchemaTableName viewName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.dropView(session, viewName);
}
}
@Override
public List listViews(ConnectorSession session, Optional schemaName)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listViews(session, schemaName);
}
}
@Override
public List listViews(ConnectorSession session, String schemaNameOrNull)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listViews(session, schemaNameOrNull);
}
}
@Override
public Map getViews(ConnectorSession session, SchemaTablePrefix prefix)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getViews(session, prefix);
}
}
@Override
public ColumnHandle getUpdateRowIdColumnHandle(ConnectorSession session, ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getUpdateRowIdColumnHandle(session, tableHandle);
}
}
@Override
public ConnectorTableHandle beginDelete(ConnectorSession session, ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.beginDelete(session, tableHandle);
}
}
@Override
public void finishDelete(ConnectorSession session, ConnectorTableHandle tableHandle, Collection fragments)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.finishDelete(session, tableHandle, fragments);
}
}
@Override
public boolean supportsMetadataDelete(ConnectorSession session, ConnectorTableHandle tableHandle, ConnectorTableLayoutHandle tableLayoutHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.supportsMetadataDelete(session, tableHandle, tableLayoutHandle);
}
}
@Override
public OptionalLong metadataDelete(ConnectorSession session, ConnectorTableHandle tableHandle, ConnectorTableLayoutHandle tableLayoutHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.metadataDelete(session, tableHandle, tableLayoutHandle);
}
}
@Override
public Optional resolveIndex(ConnectorSession session, ConnectorTableHandle tableHandle, Set indexableColumns, Set outputColumns, TupleDomain tupleDomain)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.resolveIndex(session, tableHandle, indexableColumns, outputColumns, tupleDomain);
}
}
@Override
public void grantTablePrivileges(ConnectorSession session, SchemaTableName tableName, Set privileges, String grantee, boolean grantOption)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.grantTablePrivileges(session, tableName, privileges, grantee, grantOption);
}
}
@Override
public void revokeTablePrivileges(ConnectorSession session, SchemaTableName tableName, Set privileges, String grantee, boolean grantOption)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
delegate.revokeTablePrivileges(session, tableName, privileges, grantee, grantOption);
}
}
@Override
public List listTablePrivileges(ConnectorSession session, SchemaTablePrefix prefix)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.listTablePrivileges(session, prefix);
}
}
}
