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node-red-contrib-tak-registration

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A Node-RED node to register to TAK and to help wrap files as datapackages to send to TAK

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import ItemBoundable from './ItemBoundable' import hasInterface from '../../../../../hasInterface' import ItemVisitor from '../ItemVisitor' import AbstractNode from './AbstractNode' import Collections from '../../../../../java/util/Collections' import ArrayList from '../../../../../java/util/ArrayList' import Serializable from '../../../../../java/io/Serializable' import Assert from '../../util/Assert' import List from '../../../../../java/util/List' export default class AbstractSTRtree { constructor() { AbstractSTRtree.constructor_.apply(this, arguments) } static constructor_() { this._root = null this._built = false this._itemBoundables = new ArrayList() this._nodeCapacity = null if (arguments.length === 0) { AbstractSTRtree.constructor_.call(this, AbstractSTRtree.DEFAULT_NODE_CAPACITY) } else if (arguments.length === 1) { const nodeCapacity = arguments[0] Assert.isTrue(nodeCapacity > 1, 'Node capacity must be greater than 1') this._nodeCapacity = nodeCapacity } } static compareDoubles(a, b) { return a > b ? 1 : a < b ? -1 : 0 } queryInternal() { if (hasInterface(arguments[2], ItemVisitor) && (arguments[0] instanceof Object && arguments[1] instanceof AbstractNode)) { const searchBounds = arguments[0], node = arguments[1], visitor = arguments[2] const childBoundables = node.getChildBoundables() for (let i = 0; i < childBoundables.size(); i++) { const childBoundable = childBoundables.get(i) if (!this.getIntersectsOp().intersects(childBoundable.getBounds(), searchBounds)) continue if (childBoundable instanceof AbstractNode) this.queryInternal(searchBounds, childBoundable, visitor) else if (childBoundable instanceof ItemBoundable) visitor.visitItem(childBoundable.getItem()) else Assert.shouldNeverReachHere() } } else if (hasInterface(arguments[2], List) && (arguments[0] instanceof Object && arguments[1] instanceof AbstractNode)) { const searchBounds = arguments[0], node = arguments[1], matches = arguments[2] const childBoundables = node.getChildBoundables() for (let i = 0; i < childBoundables.size(); i++) { const childBoundable = childBoundables.get(i) if (!this.getIntersectsOp().intersects(childBoundable.getBounds(), searchBounds)) continue if (childBoundable instanceof AbstractNode) this.queryInternal(searchBounds, childBoundable, matches) else if (childBoundable instanceof ItemBoundable) matches.add(childBoundable.getItem()) else Assert.shouldNeverReachHere() } } } getNodeCapacity() { return this._nodeCapacity } lastNode(nodes) { return nodes.get(nodes.size() - 1) } size() { if (arguments.length === 0) { if (this.isEmpty()) return 0 this.build() return this.size(this._root) } else if (arguments.length === 1) { const node = arguments[0] let size = 0 for (let i = node.getChildBoundables().iterator(); i.hasNext(); ) { const childBoundable = i.next() if (childBoundable instanceof AbstractNode) size += this.size(childBoundable) else if (childBoundable instanceof ItemBoundable) size += 1 } return size } } removeItem(node, item) { let childToRemove = null for (let i = node.getChildBoundables().iterator(); i.hasNext(); ) { const childBoundable = i.next() if (childBoundable instanceof ItemBoundable) if (childBoundable.getItem() === item) childToRemove = childBoundable } if (childToRemove !== null) { node.getChildBoundables().remove(childToRemove) return true } return false } itemsTree() { if (arguments.length === 0) { this.build() const valuesTree = this.itemsTree(this._root) if (valuesTree === null) return new ArrayList() return valuesTree } else if (arguments.length === 1) { const node = arguments[0] const valuesTreeForNode = new ArrayList() for (let i = node.getChildBoundables().iterator(); i.hasNext(); ) { const childBoundable = i.next() if (childBoundable instanceof AbstractNode) { const valuesTreeForChild = this.itemsTree(childBoundable) if (valuesTreeForChild !== null) valuesTreeForNode.add(valuesTreeForChild) } else if (childBoundable instanceof ItemBoundable) { valuesTreeForNode.add(childBoundable.getItem()) } else { Assert.shouldNeverReachHere() } } if (valuesTreeForNode.size() <= 0) return null return valuesTreeForNode } } insert(bounds, item) { Assert.isTrue(!this._built, 'Cannot insert items into an STR packed R-tree after it has been built.') this._itemBoundables.add(new ItemBoundable(bounds, item)) } boundablesAtLevel() { if (arguments.length === 1) { const level = arguments[0] const boundables = new ArrayList() this.boundablesAtLevel(level, this._root, boundables) return boundables } else if (arguments.length === 3) { const level = arguments[0], top = arguments[1], boundables = arguments[2] Assert.isTrue(level > -2) if (top.getLevel() === level) { boundables.add(top) return null } for (let i = top.getChildBoundables().iterator(); i.hasNext(); ) { const boundable = i.next() if (boundable instanceof AbstractNode) { this.boundablesAtLevel(level, boundable, boundables) } else { Assert.isTrue(boundable instanceof ItemBoundable) if (level === -1) boundables.add(boundable) } } return null } } query() { if (arguments.length === 1) { const searchBounds = arguments[0] this.build() const matches = new ArrayList() if (this.isEmpty()) return matches if (this.getIntersectsOp().intersects(this._root.getBounds(), searchBounds)) this.queryInternal(searchBounds, this._root, matches) return matches } else if (arguments.length === 2) { const searchBounds = arguments[0], visitor = arguments[1] this.build() if (this.isEmpty()) return null if (this.getIntersectsOp().intersects(this._root.getBounds(), searchBounds)) this.queryInternal(searchBounds, this._root, visitor) } } build() { if (this._built) return null this._root = this._itemBoundables.isEmpty() ? this.createNode(0) : this.createHigherLevels(this._itemBoundables, -1) this._itemBoundables = null this._built = true } getRoot() { this.build() return this._root } remove() { if (arguments.length === 2) { const searchBounds = arguments[0], item = arguments[1] this.build() if (this.getIntersectsOp().intersects(this._root.getBounds(), searchBounds)) return this.remove(searchBounds, this._root, item) return false } else if (arguments.length === 3) { const searchBounds = arguments[0], node = arguments[1], item = arguments[2] let found = this.removeItem(node, item) if (found) return true let childToPrune = null for (let i = node.getChildBoundables().iterator(); i.hasNext(); ) { const childBoundable = i.next() if (!this.getIntersectsOp().intersects(childBoundable.getBounds(), searchBounds)) continue if (childBoundable instanceof AbstractNode) { found = this.remove(searchBounds, childBoundable, item) if (found) { childToPrune = childBoundable break } } } if (childToPrune !== null) if (childToPrune.getChildBoundables().isEmpty()) node.getChildBoundables().remove(childToPrune) return found } } createHigherLevels(boundablesOfALevel, level) { Assert.isTrue(!boundablesOfALevel.isEmpty()) const parentBoundables = this.createParentBoundables(boundablesOfALevel, level + 1) if (parentBoundables.size() === 1) return parentBoundables.get(0) return this.createHigherLevels(parentBoundables, level + 1) } depth() { if (arguments.length === 0) { if (this.isEmpty()) return 0 this.build() return this.depth(this._root) } else if (arguments.length === 1) { const node = arguments[0] let maxChildDepth = 0 for (let i = node.getChildBoundables().iterator(); i.hasNext(); ) { const childBoundable = i.next() if (childBoundable instanceof AbstractNode) { const childDepth = this.depth(childBoundable) if (childDepth > maxChildDepth) maxChildDepth = childDepth } } return maxChildDepth + 1 } } createParentBoundables(childBoundables, newLevel) { Assert.isTrue(!childBoundables.isEmpty()) const parentBoundables = new ArrayList() parentBoundables.add(this.createNode(newLevel)) const sortedChildBoundables = new ArrayList(childBoundables) Collections.sort(sortedChildBoundables, this.getComparator()) for (let i = sortedChildBoundables.iterator(); i.hasNext(); ) { const childBoundable = i.next() if (this.lastNode(parentBoundables).getChildBoundables().size() === this.getNodeCapacity()) parentBoundables.add(this.createNode(newLevel)) this.lastNode(parentBoundables).addChildBoundable(childBoundable) } return parentBoundables } isEmpty() { if (!this._built) return this._itemBoundables.isEmpty() return this._root.isEmpty() } get interfaces_() { return [Serializable] } } function IntersectsOp() {} AbstractSTRtree.IntersectsOp = IntersectsOp AbstractSTRtree.DEFAULT_NODE_CAPACITY = 10