Created
August 19, 2011 08:19
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Finding all paths between 2 nodes in a directed and undirected graph using Gremlin
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\,,,/ | |
(o o) | |
-----oOOo-(_)-oOOo----- | |
gremlin> g = TinkerGraphFactory.createTinkerGraph() | |
==>tinkergraph[vertices:6 edges:6] | |
gremlin> A = '1'; B = '5'; N = 3 | |
==>3 | |
gremlin> g.v(A).out.loop(1){it.loops<=N && !(it.object.id in [A,B])}.has('id',B).path | |
==>[v[1], v[4], v[5]] | |
gremlin> g.v(A).both.loop(1){it.loops<=N && !(it.object.id in [A,B])}.has('id',B).path | |
==>[v[1], v[4], v[5]] | |
==>[v[1], v[3], v[4], v[5]] | |
gremlin> | |
gremlin> A = '5'; B = '1'; N = 3 | |
==>3 | |
gremlin> g.v(A).out.loop(1){it.loops<=N && !(it.object.id in [A,B])}.has('id',B).path | |
gremlin> g.v(A).both.loop(1){it.loops<=N && !(it.object.id in [A,B])}.has('id',B).path | |
==>[v[5], v[4], v[1]] | |
==>[v[5], v[4], v[3], v[1]] | |
gremlin> | |
gremlin> A = '1'; B = '6'; N = 3 | |
==>3 | |
gremlin> g.v(A).out.loop(1){it.loops<=N && !(it.object.id in [A,B])}.has('id',B).path | |
gremlin> g.v(A).both.loop(1){it.loops<=N && !(it.object.id in [A,B])}.has('id',B).path | |
==>[v[1], v[3], v[6]] | |
==>[v[1], v[4], v[3], v[6]] |
Replace .paths with .path
Replace .filter{it.id==B} by .has('id',B)
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[[id:B]] syntax is not supported anymore. Updated to .filter{it.id==B}.