com.hazelcast.jet.sql.impl.connector.file.CsvResolver 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.file;
import com.hazelcast.sql.impl.schema.MappingField;
import com.hazelcast.sql.impl.type.QueryDataType;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
final class CsvResolver {
private CsvResolver() {
}
static List resolveFields(Set header) {
Map fields = new LinkedHashMap<>();
for (String name : header) {
MappingField field = new MappingField(name, QueryDataType.VARCHAR);
fields.putIfAbsent(field.name(), field);
}
return new ArrayList<>(fields.values());
}
}