| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.carbondata.core.scan.filter.resolver; |
| |
| import java.io.Serializable; |
| |
| import org.apache.carbondata.core.scan.expression.Expression; |
| import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedException; |
| import org.apache.carbondata.core.scan.filter.intf.FilterExecutorType; |
| import org.apache.carbondata.core.scan.filter.resolver.resolverinfo.DimColumnResolvedFilterInfo; |
| import org.apache.carbondata.core.scan.filter.resolver.resolverinfo.MeasureColumnResolvedFilterInfo; |
| |
| public interface FilterResolverIntf extends Serializable { |
| |
| /** |
| * This API will resolve the filter expression and generates the |
| * dictionaries for executing/evaluating the filter expressions in the |
| * executor layer. |
| * |
| * @throws FilterUnsupportedException |
| */ |
| void resolve() throws FilterUnsupportedException; |
| |
| /** |
| * This API will provide the left column filter expression |
| * inorder to resolve the left expression filter. |
| * |
| * @return FilterResolverIntf |
| */ |
| FilterResolverIntf getLeft(); |
| |
| /** |
| * API will provide the right column filter expression inorder to resolve |
| * the right expression filter. |
| * |
| * @return FilterResolverIntf |
| */ |
| FilterResolverIntf getRight(); |
| |
| /** |
| * API will return the resolved filter instance, this instance will provide |
| * the resolved surrogates based on the applied filter |
| * |
| * @return DimColumnResolvedFilterInfo object |
| */ |
| DimColumnResolvedFilterInfo getDimColResolvedFilterInfo(); |
| |
| /** |
| * API will return the resolved filter instance, this instance will provide |
| * the resolved surrogates based on the applied filter |
| * |
| * @return MeasureColumnResolvedFilterInfo object |
| */ |
| MeasureColumnResolvedFilterInfo getMsrColResolvedFilterInfo(); |
| |
| /** |
| * API will return the filter executor type which will be used to evaluate |
| * the resolved filter while query execution |
| * |
| * @return FilterExecutorType. |
| */ |
| FilterExecutorType getFilterExecutorType(); |
| |
| Expression getFilterExpression(); |
| |
| } |