code: package it.unibz.inf.ontop.spec.sqlparser;
  
  /*
   * #%L
   * ontop-obdalib-core
   * %%
   * Copyright (C) 2009 - 2014 Free University of Bozen-Bolzano
   * %%
   * 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.
   * #L%
   */
  
  import com.google.common.collect.ImmutableList;
  import it.unibz.inf.ontop.dbschema.*;
  import it.unibz.inf.ontop.dbschema.impl.AbstractRelationDefinition;
  import it.unibz.inf.ontop.model.type.DBTypeFactory;
  
  import java.util.stream.Collectors;
  
  /**
   * Represents a complex sub-query created by the SQL parser (not a database view!)
   *
   * @author Roman Kontchakov
  */
  
  public class ParserViewDefinition extends AbstractRelationDefinition {
  	
  	public ParserViewDefinition(ImmutableList<QuotedID> attrs, String statement, DBTypeFactory dbTypeFactory) {
  		this(attributeListBuilder(attrs, dbTypeFactory), statement);
  	}
  
  	public ParserViewDefinition(AttributeListBuilder attributeListBuilder, String statement) {
  		super("(" + statement + ")", attributeListBuilder);
  	}
  
  	private static AttributeListBuilder attributeListBuilder(ImmutableList<QuotedID> attrs, DBTypeFactory dbTypeFactory) {
  		AttributeListBuilder builder = attributeListBuilder();
  		for (QuotedID id : attrs) {
  			builder.addAttribute(id, dbTypeFactory.getAbstractRootDBType(), null, true);
  		}
  		return builder;
  	}
  
  
  	@Override
  	public ImmutableList<UniqueConstraint> getUniqueConstraints() {
  		return ImmutableList.of();
  	}
  
  	@Override
  	public ImmutableList<FunctionalDependency> getOtherFunctionalDependencies() {
  		return ImmutableList.of();
  	}
  
  	@Override
  	public ImmutableList<ForeignKeyConstraint> getForeignKeys() {
  		return ImmutableList.of();
  	}
  
  	@Override
  	public String toString() {
  		return getAtomPredicate().getName() + "[" + getAttributes().stream()
  				.map(Attribute::toString)
  				.collect(Collectors.joining(", ")) + "]";
  	}
  }
  