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| 1 | +package com.codingapi.flow.node.nodes; |
| 2 | + |
| 3 | +import com.codingapi.flow.builder.BaseNodeBuilder; |
| 4 | +import com.codingapi.flow.exception.FlowNotFoundException; |
| 5 | +import com.codingapi.flow.node.BaseFlowNode; |
| 6 | +import com.codingapi.flow.node.IFlowNode; |
| 7 | +import com.codingapi.flow.node.NodeType; |
| 8 | +import com.codingapi.flow.node.helper.ParallelNodeRelationHelper; |
| 9 | +import com.codingapi.flow.record.FlowRecord; |
| 10 | +import com.codingapi.flow.session.FlowSession; |
| 11 | +import com.codingapi.flow.utils.RandomUtils; |
| 12 | +import com.codingapi.flow.workflow.Workflow; |
| 13 | + |
| 14 | +import java.util.List; |
| 15 | +import java.util.Map; |
| 16 | + |
| 17 | +/** |
| 18 | + * 人工分支节点 |
| 19 | + */ |
| 20 | +public class ManualBranchNode extends BaseFlowNode { |
| 21 | + |
| 22 | + public static final String NODE_TYPE = NodeType.MANUAL_BRANCH.name(); |
| 23 | + public static final String DEFAULT_NAME = "人工分支节点"; |
| 24 | + |
| 25 | + |
| 26 | + @Override |
| 27 | + public String getType() { |
| 28 | + return NODE_TYPE; |
| 29 | + } |
| 30 | + |
| 31 | + |
| 32 | + public ManualBranchNode(String id, String name, int order) { |
| 33 | + super(id, name, order); |
| 34 | + } |
| 35 | + |
| 36 | + public ManualBranchNode() { |
| 37 | + this(RandomUtils.generateStringId(), DEFAULT_NAME, 0); |
| 38 | + } |
| 39 | + |
| 40 | + /** |
| 41 | + * 匹配条件 |
| 42 | + */ |
| 43 | + @Override |
| 44 | + public boolean handle(FlowSession request) { |
| 45 | + return true; |
| 46 | + } |
| 47 | + |
| 48 | + |
| 49 | + |
| 50 | + public static ManualBranchNode formMap(Map<String, Object> map) { |
| 51 | + return BaseFlowNode.fromMap(map, ManualBranchNode.class); |
| 52 | + } |
| 53 | + |
| 54 | + /** |
| 55 | + * 匹配条件分支 |
| 56 | + * |
| 57 | + * @param nodeList 当前节点下的所有条件 |
| 58 | + * @param flowSession 当前会话 |
| 59 | + * @return 匹配的节点 |
| 60 | + */ |
| 61 | + public List<IFlowNode> filterBranches(List<IFlowNode> nodeList, FlowSession flowSession) { |
| 62 | + Workflow workflow = flowSession.getWorkflow(); |
| 63 | + IFlowNode currentNode = flowSession.getCurrentNode(); |
| 64 | + ParallelNodeRelationHelper helper = new ParallelNodeRelationHelper(workflow,currentNode,nodeList); |
| 65 | + // 分析并行分支的结束汇聚节点 |
| 66 | + IFlowNode overNode = helper.fetchMargeNode(); |
| 67 | + if (overNode == null) { |
| 68 | + throw FlowNotFoundException.parallelEndNodeNotNull(); |
| 69 | + } |
| 70 | + |
| 71 | + // 在流程记录中记录,合并的条件信息。 |
| 72 | + FlowRecord flowRecord = flowSession.getCurrentRecord(); |
| 73 | + flowRecord.parallelBranchNode(overNode.getId(), nodeList.size(), RandomUtils.generateStringId()); |
| 74 | + |
| 75 | + return nodeList; |
| 76 | + } |
| 77 | + |
| 78 | + public static Builder builder() { |
| 79 | + return new Builder(); |
| 80 | + } |
| 81 | + |
| 82 | + public static class Builder extends BaseNodeBuilder<Builder, ManualBranchNode> { |
| 83 | + |
| 84 | + public Builder() { |
| 85 | + super(new ManualBranchNode()); |
| 86 | + } |
| 87 | + } |
| 88 | +} |
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