com.hazelcast.jet.sql.impl.connector.SqlProcessors Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.connector;
import com.hazelcast.function.SupplierEx;
import com.hazelcast.jet.core.ProcessorSupplier;
import com.hazelcast.jet.pipeline.ServiceFactory;
import com.hazelcast.sql.impl.expression.Expression;
import com.hazelcast.sql.impl.expression.ExpressionEvalContext;
import com.hazelcast.sql.impl.extract.QueryTarget;
import com.hazelcast.sql.impl.type.QueryDataType;
import java.util.List;
import static com.hazelcast.jet.core.processor.Processors.mapUsingServiceP;
import static com.hazelcast.jet.pipeline.ServiceFactories.nonSharedService;
public final class SqlProcessors {
private SqlProcessors() {
}
public static ProcessorSupplier rowProjector(
String[] paths,
QueryDataType[] types,
SupplierEx targetSupplier,
Expression predicate,
List> projection
) {
ServiceFactory, RowProjector> service =
nonSharedService(ctx -> new RowProjector(paths, types, targetSupplier.get(), predicate, projection,
ExpressionEvalContext.from(ctx)));
return mapUsingServiceP(service, RowProjector::project);
}
}
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