// // Copyright © 2014, David Tesler (https://github.com/protobufel) // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of the <organization> nor the // names of its contributors may be used to endorse or promote products // derived from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // /** * <p> * Provides basic query processing capabilities using EL 3.0 expression language with a mix of * regular objects and ProtoBuf Messages and Builders. * <p><h2>Usage</h2>: * Get a list of ProtoBuf Message(s) as an in-parameter, with an optional map of beans, and as the * result return a list of ProtoBuf Message(s), processed via EL 3.0 language. This, effectively, * can be any CRUD operation, or a combination of thereof. * * <pre> * List<Message> actual = ProtoMessageQueryProcessor.builder() * .setExpression("(index==0) ? (record.color='RED') : null; record") * .process(originalCityList); * </pre> * * @see <a href="doc-files/Examples.java.txt">Examples.java</a> * @see <a href="doc-files/galaxy.proto.txt">galaxy.proto sample</a> * @see <a href="https://jcp.org/aboutJava/communityprocess/final/jsr341/index.html">JSR-000341 Expression Language 3.0</a> * @see <a href="https://developers.google.com/protocol-buffers/docs/overview">Protocol Buffers</a> * * @author protobufel@gmail.com David Tesler */ package com.github.protobufel.crud.el;