com.facebook.presto.jdbc.internal.spi.classloader.ClassLoaderSafeConnectorHandleResolver 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.jdbc.internal.spi.classloader;
import com.facebook.presto.jdbc.internal.spi.ConnectorColumnHandle;
import com.facebook.presto.jdbc.internal.spi.ConnectorHandleResolver;
import com.facebook.presto.jdbc.internal.spi.ConnectorIndexHandle;
import com.facebook.presto.jdbc.internal.spi.ConnectorInsertTableHandle;
import com.facebook.presto.jdbc.internal.spi.ConnectorOutputTableHandle;
import com.facebook.presto.jdbc.internal.spi.ConnectorSplit;
import com.facebook.presto.jdbc.internal.spi.ConnectorTableHandle;
import static java.util.Objects.requireNonNull;
public class ClassLoaderSafeConnectorHandleResolver
implements ConnectorHandleResolver
{
private final ConnectorHandleResolver delegate;
private final ClassLoader classLoader;
public ClassLoaderSafeConnectorHandleResolver(ConnectorHandleResolver delegate, ClassLoader classLoader)
{
this.delegate = requireNonNull(delegate, "delegate is null");
this.classLoader = requireNonNull(classLoader, "classLoader is null");
}
@Override
public boolean canHandle(ConnectorTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.canHandle(tableHandle);
}
}
@Override
public boolean canHandle(ConnectorColumnHandle columnHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.canHandle(columnHandle);
}
}
@Override
public boolean canHandle(ConnectorSplit split)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.canHandle(split);
}
}
@Override
public boolean canHandle(ConnectorIndexHandle indexHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.canHandle(indexHandle);
}
}
@Override
public boolean canHandle(ConnectorOutputTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.canHandle(tableHandle);
}
}
@Override
public boolean canHandle(ConnectorInsertTableHandle tableHandle)
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.canHandle(tableHandle);
}
}
@Override
public Class getTableHandleClass()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getTableHandleClass();
}
}
@Override
public Class getColumnHandleClass()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getColumnHandleClass();
}
}
@Override
public Class getSplitClass()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getSplitClass();
}
}
@Override
public String toString()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.toString();
}
}
@Override
public Class getIndexHandleClass()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getIndexHandleClass();
}
}
@Override
public Class getOutputTableHandleClass()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getOutputTableHandleClass();
}
}
@Override
public Class getInsertTableHandleClass()
{
try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(classLoader)) {
return delegate.getInsertTableHandleClass();
}
}
}