/* * 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.solr.client.solrj.io.stream.expr; import java.io.IOException; /** * Defines a stream that can be expressed in an expression */ public interface Expressible { // public String getFunctionName(); // public void setFunctionName(String functionName); StreamExpressionParameter toExpression(StreamFactory factory) throws IOException; /** * Returns an explanation about the stream object * @param factory Stream factory for this, contains information about the function name * @return Explanation about this stream object containing explanations of any child stream objects * @throws IOException throw on any error */ Explanation toExplanation(StreamFactory factory) throws IOException; }