| 1 | /* |
| 2 | * Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. |
| 3 | * |
| 4 | * WSO2 Inc. licenses this file to you under the Apache License, |
| 5 | * Version 2.0 (the "License"); you may not use this file except |
| 6 | * in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, |
| 12 | * software distributed under the License is distributed on an |
| 13 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 14 | * KIND, either express or implied. See the License for the |
| 15 | * specific language governing permissions and limitations |
| 16 | * under the License. |
| 17 | */ |
| 18 | package org.wso2.siddhi.query.api.query; |
| 19 | |
| 20 | import org.wso2.siddhi.query.api.ExecutionPlan; |
| 21 | import org.wso2.siddhi.query.api.query.projection.Projector; |
| 22 | import org.wso2.siddhi.query.api.stream.AnonymousStream; |
| 23 | import org.wso2.siddhi.query.api.stream.SingleStream; |
| 24 | import org.wso2.siddhi.query.api.stream.Stream; |
| 25 | |
| 26 | public class Query implements ExecutionPlan { |
| 27 | |
| 28 | private Stream inputStream; |
| 29 | private String outputStreamId; |
| 30 | private Projector projector=new Projector(); |
| 31 | |
| 32 | public Query from(Stream stream) { |
| 33 | this.inputStream = stream; |
| 34 | return this; |
| 35 | } |
| 36 | |
| 37 | public Query insertInto(String outputStreamId) { |
| 38 | this.outputStreamId = outputStreamId; |
| 39 | return this; |
| 40 | } |
| 41 | |
| 42 | public Query project(Projector projector) { |
| 43 | this.projector = projector; |
| 44 | return this; |
| 45 | } |
| 46 | |
| 47 | |
| 48 | public SingleStream returnStream() { |
| 49 | return new AnonymousStream(this); |
| 50 | } |
| 51 | |
| 52 | public Stream getInputStream() { |
| 53 | return inputStream; |
| 54 | } |
| 55 | |
| 56 | public String getOutputStreamId() { |
| 57 | return outputStreamId; |
| 58 | } |
| 59 | |
| 60 | public Projector getProjector() { |
| 61 | return projector; |
| 62 | } |
| 63 | } |