com.facebook.presto.jdbc.internal.spi.SplitContext 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;
import com.facebook.presto.jdbc.internal.common.predicate.TupleDomain;
import com.facebook.presto.jdbc.internal.jackson.annotation.JsonCreator;
import com.facebook.presto.jdbc.internal.jackson.annotation.JsonProperty;
import java.util.Optional;
import static java.util.Objects.requireNonNull;
// TODO: Use builder pattern for SplitContext if we are to add optional field
public class SplitContext
{
public static final SplitContext NON_CACHEABLE = new SplitContext(false);
private final boolean cacheable;
// For local execution only; no need for serialization.
private final Optional> dynamicFilterPredicate;
@JsonCreator
public SplitContext(@JsonProperty boolean cacheable)
{
this(cacheable, Optional.empty());
}
public SplitContext(boolean cacheable, TupleDomain dynamicFilterPredicate)
{
this(cacheable, Optional.of(requireNonNull(dynamicFilterPredicate, "dynamicFilterPredicate is null")));
}
private SplitContext(boolean cacheable, Optional> dynamicFilterPredicate)
{
this.cacheable = cacheable;
this.dynamicFilterPredicate = dynamicFilterPredicate;
}
@JsonProperty
public boolean isCacheable()
{
return cacheable;
}
public Optional> getDynamicFilterPredicate()
{
return dynamicFilterPredicate;
}
}
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