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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.drill.exec.ops;
import io.netty.buffer.DrillBuf;
import java.io.IOException;
import java.util.List;
import org.apache.drill.exec.exception.ClassTransformationException;
import org.apache.drill.exec.expr.ClassGenerator;
import org.apache.drill.exec.expr.CodeGenerator;
import org.apache.drill.exec.expr.fn.FunctionImplementationRegistry;
import org.apache.drill.exec.physical.impl.common.CodeGenMemberInjector;
import org.apache.drill.exec.proto.UserBitShared;
/**
* Common implementation for both the test and production versions
* of the fragment context.
*/
public abstract class BaseFragmentContext implements FragmentContext {
private final FunctionImplementationRegistry funcRegistry;
public BaseFragmentContext(final FunctionImplementationRegistry funcRegistry) {
this.funcRegistry = funcRegistry;
}
@Override
public FunctionImplementationRegistry getFunctionRegistry() {
return funcRegistry;
}
@Override
public <T> T getImplementationClass(final ClassGenerator<T> cg)
throws ClassTransformationException, IOException {
return getImplementationClass(cg.getCodeGenerator());
}
@Override
public <T> T getImplementationClass(final CodeGenerator<T> cg)
throws ClassTransformationException, IOException {
T instance = getCompiler().createInstance(cg);
CodeGenMemberInjector.injectMembers(cg.getRoot(), instance, this);
return instance;
}
@Override
public <T> List<T> getImplementationClass(final ClassGenerator<T> cg, final int instanceCount) throws ClassTransformationException, IOException {
return getImplementationClass(cg.getCodeGenerator(), instanceCount);
}
@Override
public <T> List<T> getImplementationClass(final CodeGenerator<T> cg, final int instanceCount) throws ClassTransformationException, IOException {
List<T> instances = getCompiler().createInstances(cg, instanceCount);
instances.forEach(instance -> CodeGenMemberInjector.injectMembers(cg.getRoot(), instance, this));
return instances;
}
protected abstract BufferManager getBufferManager();
@Override
public DrillBuf replace(final DrillBuf old, final int newSize) {
return getBufferManager().replace(old, newSize);
}
@Override
public DrillBuf getManagedBuffer() {
return getBufferManager().getManagedBuffer();
}
@Override
public DrillBuf getManagedBuffer(final int size) {
return getBufferManager().getManagedBuffer(size);
}
@Override
public String getQueryUserName() {
return null;
}
@Override
public UserBitShared.QueryId getQueryId() {
return null;
}
@Override
public String getQueryIdString() {
return null;
}
@Override
public QueryContext.SqlStatementType getSQLStatementType() {
return null;
}
}
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