74 lines
2.3 KiB
TypeScript
74 lines
2.3 KiB
TypeScript
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import { TaskStatus, NodeType } from '../../Types/TaskStatus';
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import { INodeExecutor, NodeExecutionContext, BindingHelper } from '../NodeExecutor';
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import { NodeExecutorMetadata } from '../NodeMetadata';
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/**
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* 黑板比较条件执行器
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*
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* 比较黑板中的值
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*/
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@NodeExecutorMetadata({
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implementationType: 'BlackboardCompare',
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nodeType: NodeType.Condition,
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displayName: '黑板比较',
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description: '比较黑板中的值',
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category: 'Condition',
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configSchema: {
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key: {
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type: 'string',
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default: '',
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description: '黑板变量名'
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},
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compareValue: {
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type: 'object',
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description: '比较值',
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supportBinding: true
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},
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operator: {
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type: 'string',
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default: 'equals',
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description: '比较运算符',
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options: ['equals', 'notEquals', 'greaterThan', 'lessThan', 'greaterOrEqual', 'lessOrEqual']
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}
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}
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})
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export class BlackboardCompare implements INodeExecutor {
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execute(context: NodeExecutionContext): TaskStatus {
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const { runtime } = context;
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const key = BindingHelper.getValue<string>(context, 'key', '');
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const compareValue = BindingHelper.getValue(context, 'compareValue');
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const operator = BindingHelper.getValue<string>(context, 'operator', 'equals');
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if (!key) {
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return TaskStatus.Failure;
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}
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const actualValue = runtime.getBlackboardValue(key);
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if (this.compare(actualValue, compareValue, operator)) {
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return TaskStatus.Success;
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}
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return TaskStatus.Failure;
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}
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private compare(actualValue: any, compareValue: any, operator: string): boolean {
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switch (operator) {
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case 'equals':
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return actualValue === compareValue;
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case 'notEquals':
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return actualValue !== compareValue;
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case 'greaterThan':
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return actualValue > compareValue;
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case 'lessThan':
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return actualValue < compareValue;
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case 'greaterOrEqual':
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return actualValue >= compareValue;
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case 'lessOrEqual':
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return actualValue <= compareValue;
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default:
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return false;
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}
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}
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}
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