io.trino.operator.join.StaticLookupSourceProvider 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 io.trino.operator.join;
import java.util.function.Function;
import java.util.function.IntPredicate;
import static java.util.Objects.requireNonNull;
public final class StaticLookupSourceProvider
implements LookupSourceProvider
{
private final LookupSource lookupSource;
public StaticLookupSourceProvider(LookupSource lookupSource)
{
this.lookupSource = requireNonNull(lookupSource, "lookupSource is null");
}
@Override
public R withLease(Function action)
{
return action.apply(new SimpleLookupSourceLease());
}
@Override
public void close()
{
lookupSource.close();
}
private class SimpleLookupSourceLease
implements LookupSourceLease
{
@Override
public LookupSource getLookupSource()
{
return lookupSource;
}
@Override
public long spillEpoch()
{
return 0;
}
@Override
public IntPredicate getSpillMask()
{
return i -> false;
}
}
}