54 lines
1.8 KiB
JavaScript
54 lines
1.8 KiB
JavaScript
/**
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* Removes operations from the model if they require event streams.
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* Specifically looks at input and output shapes.
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* @param {Object} model - JSON parsed API model (*.normal.json)
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*/
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function removeEventStreamOperations(model) {
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var modifiedModel = false;
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// loop over all operations
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var operations = model.operations;
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var operationNames = Object.keys(operations);
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for (var i = 0; i < operationNames.length; i++) {
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var operationName = operationNames[i];
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var operation = operations[operationName];
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// check input and output shapes
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var inputShapeName = operation.input && operation.input.shape;
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var outputShapeName = operation.output && operation.output.shape;
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var requiresEventStream = false;
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if (inputShapeName && hasEventStream(model.shapes[inputShapeName], model)) {
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requiresEventStream = true;
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}
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if (requiresEventStream) {
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modifiedModel = true;
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// remove the operation from the model
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console.log('Removing ' + operationName + ' because it depends on event streams on input.');
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delete model.operations[operationName];
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}
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}
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return modifiedModel;
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}
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function hasEventStream(shape, model) {
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if (shape.eventstream) {
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return true;
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} else {
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// check each member shape
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var memberNames = Object.keys(shape.members);
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for (var i = 0; i < memberNames.length; i++) {
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var member = shape.members[memberNames[i]];
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if (member.eventstream) {
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return true;
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}
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var memberShape = model.shapes[member.shape];
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if (memberShape.eventstream) {
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return true;
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}
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}
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}
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}
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module.exports = {
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removeEventStreamOperations: removeEventStreamOperations
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}; |