| 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.core.stream.recevier.pattern; |
| 19 | |
| 20 | import org.wso2.siddhi.core.event.Event; |
| 21 | import org.wso2.siddhi.core.event.ListEvent; |
| 22 | import org.wso2.siddhi.core.event.StreamEvent; |
| 23 | import org.wso2.siddhi.core.event.in.InListEvent; |
| 24 | import org.wso2.siddhi.core.event.in.StateEvent; |
| 25 | import org.wso2.siddhi.core.statemachine.pattern.CountPatternState; |
| 26 | import org.wso2.siddhi.core.stream.StreamProcessor; |
| 27 | |
| 28 | public class CountPatternSingleStreamReceiver extends PatternSingleStreamReceiver { |
| 29 | |
| 30 | private int min = -1; |
| 31 | private int max = -1; |
| 32 | private boolean passed; |
| 33 | |
| 34 | public CountPatternSingleStreamReceiver(CountPatternState state, |
| 35 | StreamProcessor firstSimpleStreamProcessor, |
| 36 | int complexEventSize) { |
| 37 | super(state, firstSimpleStreamProcessor, complexEventSize); |
| 38 | this.min = state.getMin(); |
| 39 | this.max = state.getMax(); |
| 40 | |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public void receive(StreamEvent event) { |
| 45 | //System.out.println("cr state=" + currentState + " event=" + event + " ||currentEvents=" + currentEvents); |
| 46 | for (StateEvent currentEvent : currentEvents) { |
| 47 | |
| 48 | if (currentEvent.getEventState() <= (state.getStateNumber())) { |
| 49 | ListEvent listEvent = (ListEvent) currentEvent.getStreamEvent(currentState); |
| 50 | if (listEvent == null) { |
| 51 | listEvent = new InListEvent(max); |
| 52 | currentEvent.setStreamEvent(currentState, listEvent); |
| 53 | } |
| 54 | setPassed(false); |
| 55 | // //System.out.println("---" + currentEvent); |
| 56 | if (!listEvent.addEvent(((Event) event))) { |
| 57 | continue; |
| 58 | } |
| 59 | // //System.out.println("-+-" + currentEvent); |
| 60 | firstSimpleStreamProcessor.process(currentEvent); |
| 61 | |
| 62 | if (!isPassed()) { |
| 63 | listEvent.removeLast(); //to stop aggregation of not passed events |
| 64 | nextEvents.add(currentEvent); //only to add to itself |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | // currentEvents.clear(); |
| 69 | // } |
| 70 | } |
| 71 | |
| 72 | // protected InComplexEvent createFirstEvent(int complexEventSize) { |
| 73 | // return new InComplexEvent(new SingleEventBundle[complexEventSize]); |
| 74 | // } |
| 75 | |
| 76 | public synchronized void addToNextEvents(StateEvent stateEvent) { |
| 77 | // //System.out.println("in"); |
| 78 | if (min == 0) { |
| 79 | state.getPatternStreamPacker().process(stateEvent); |
| 80 | // if (stateEvent.getEventState() < currentState) { |
| 81 | // if (nextState != null) { |
| 82 | // if (nextState instanceof LogicPatternState) { |
| 83 | // ((LogicPatternState) nextState).getPartnerState().getPatternSingleStreamReceiver().addToNextEvents(stateEvent); |
| 84 | // } |
| 85 | // nextState.getPatternSingleStreamReceiver().addToNextEvents(stateEvent); |
| 86 | //// nextEvents.add(stateEvent);//to keep the reference of the next events |
| 87 | // } |
| 88 | // if (nextEveryState != null) { |
| 89 | // StateEvent newComplexEvent = stateEvent.cloneEvent(nextEveryState.getStateNumber()); |
| 90 | // newComplexEvent.setEventState(nextEveryState.getStateNumber()-1); |
| 91 | // if (nextEveryState instanceof LogicPatternState) { |
| 92 | // ((LogicPatternState) nextEveryState).getPartnerState().getPatternSingleStreamReceiver().addToNextEvents(newComplexEvent); |
| 93 | // } |
| 94 | // nextEveryState.getPatternSingleStreamReceiver().addToNextEvents(newComplexEvent); |
| 95 | // } |
| 96 | // } |
| 97 | } else { |
| 98 | nextEvents.add(stateEvent); |
| 99 | } |
| 100 | |
| 101 | } |
| 102 | |
| 103 | public synchronized void setPassed(boolean passed) { |
| 104 | this.passed = passed; |
| 105 | } |
| 106 | |
| 107 | public synchronized boolean isPassed() { |
| 108 | return passed; |
| 109 | } |
| 110 | |
| 111 | public void addOnlyToNextEvents(StateEvent stateEvent) { |
| 112 | nextEvents.add(stateEvent); |
| 113 | } |
| 114 | } |