Java tutorial
/* * 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.prestosql.connector.system; import com.google.common.collect.ImmutableSet; import io.prestosql.spi.connector.Connector; import io.prestosql.spi.connector.ConnectorContext; import io.prestosql.spi.connector.ConnectorFactory; import io.prestosql.spi.connector.ConnectorHandleResolver; import io.prestosql.spi.connector.SystemTable; import io.prestosql.spi.procedure.Procedure; import javax.inject.Inject; import java.util.Map; import java.util.Set; import static java.util.Objects.requireNonNull; public class GlobalSystemConnectorFactory implements ConnectorFactory { private final Set<SystemTable> tables; private final Set<Procedure> procedures; @Inject public GlobalSystemConnectorFactory(Set<SystemTable> tables, Set<Procedure> procedures) { this.tables = ImmutableSet.copyOf(requireNonNull(tables, "tables is null")); this.procedures = ImmutableSet.copyOf(requireNonNull(procedures, "procedures is null")); } @Override public String getName() { return GlobalSystemConnector.NAME; } @Override public ConnectorHandleResolver getHandleResolver() { return new GlobalSystemHandleResolver(); } @Override public Connector create(String catalogName, Map<String, String> config, ConnectorContext context) { return new GlobalSystemConnector(catalogName, tables, procedures); } }