67 lines
1.3 KiB
JavaScript
67 lines
1.3 KiB
JavaScript
const Measurement = require('./Measurement');
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class MeasurementBuilder {
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constructor() {
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this.type = null;
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this.variant = null;
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this.position = null;
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this.distance = null;
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this.windowSize = 10; // Default window size
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}
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// e.g. 'pressure', 'flow', etc.
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setType(type) {
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this.type = type;
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return this;
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}
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// e.g. 'predicted' or 'measured', etc..
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setVariant(variant) {
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this.variant = variant;
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return this;
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}
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// Downstream or upstream of parent object
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setPosition(position) {
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this.position = position;
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return this;
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}
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// default size of the data that gets tracked
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setWindowSize(windowSize) {
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this.windowSize = windowSize;
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return this;
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}
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setDistance(distance) {
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this.distance = distance;
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return this;
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}
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build() {
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// Validate required fields
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if (!this.type) {
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throw new Error('Measurement type is required');
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}
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if (!this.variant) {
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throw new Error('Measurement variant is required');
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}
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if (!this.position) {
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throw new Error('Measurement position is required');
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}
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// distance is not a requirement as it can be derived from position
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return new Measurement(
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this.type,
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this.variant,
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this.position,
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this.windowSize,
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this.distance
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);
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}
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}
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module.exports = MeasurementBuilder;
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