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Couchbase, Node js. Find family tree, recursively collect ids of its leaf nodes, and get all leaf node documents with getMulti.
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| var couchbase = require("couchbase"); | |
| var cluster = new couchbase.Cluster("127.0.0.1:8091"); | |
| var CbBucket = "aBucket"; | |
| var pass = "12345678"; | |
| var bucket = db.openBucket(CbBucket, password, function(err) { | |
| bucket.operationTimeout = 500 * 1000; //increase connection time | |
| if(err){ | |
| throw err; | |
| } | |
| else{ | |
| bucket.get("Family_6da5b3a7-5ab6-40a3-b0b4-95cb32237978", function(err, family){ | |
| if (err){ | |
| throw err; | |
| } | |
| else if (!family.value.tree || family.value.tree.nodes.length == 0){ | |
| console.log("No family tree found"); | |
| } | |
| else{ | |
| var allNodes = []; | |
| function getNodes(nodes){ | |
| nodes.forEach(function(node){ | |
| if(node.nodes.length == 0){ | |
| allNodes.push(node.id); | |
| } | |
| getNodes(node.nodes); | |
| }) | |
| } | |
| getNodes(family.value.tree.nodes); | |
| bucket.getMulti(allNodes, function (err, leafNodes) { | |
| if (err) { | |
| throw err; | |
| } | |
| else { | |
| console.log(leafNodes); | |
| } | |
| }) | |
| } | |
| }) | |
| } | |
| }) |
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