com.hazelcast.jet.sql.impl.connector.SqlConnectorUtil 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.jet.JetException;
import com.hazelcast.jet.sql.impl.connector.map.IMapSqlConnector;
import com.hazelcast.jet.sql.impl.schema.JetTable;
import com.hazelcast.sql.impl.QueryException;
import com.hazelcast.sql.impl.schema.Table;
import com.hazelcast.sql.impl.schema.map.PartitionedMapTable;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Map;
public final class SqlConnectorUtil {
private SqlConnectorUtil() {
}
@SuppressWarnings("unchecked")
public static T getJetSqlConnector(Table table) {
SqlConnector connector;
if (table instanceof JetTable) {
connector = ((JetTable) table).getSqlConnector();
} else if (table instanceof PartitionedMapTable) {
connector = IMapSqlConnector.INSTANCE;
} else {
throw new JetException("Unknown table type: " + table.getClass());
}
return (T) connector;
}
public static int asInt(
@Nonnull Map options,
@Nonnull String propertyName,
@Nullable Integer defaultValue
) {
String value = options.get(propertyName);
if (value == null) {
if (defaultValue == null) {
throw QueryException.error("Missing property: " + propertyName);
}
return defaultValue;
}
try {
return Integer.parseInt(value);
} catch (NumberFormatException e) {
throw QueryException.error("Cannot parse option '" + propertyName + "' as integer: '" + value + '\'');
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy