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Elastic Docs ›Elasticsearch .NET Clients [7.17] ›Aggregations ›Bucket Aggregations

Adjacency Matrix Usage

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Adjacency Matrix Usage

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Fluent DSL example

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a => a
.AdjacencyMatrix("interactions", am => am
    .Filters(fs => fs
        .Filter("grpA", f => f.Term(p => p.State, StateOfBeing.BellyUp))
        .Filter("grpB", f => f.Term(p => p.State, StateOfBeing.Stable))
        .Filter("grpC", f => f.Term(p => p.State, StateOfBeing.VeryActive))
    )
)

Object Initializer syntax example

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new AdjacencyMatrixAggregation("interactions")
{
    Filters = new NamedFiltersContainer
    {
        { "grpA", new TermQuery { Field = "state", Value = StateOfBeing.BellyUp } },
        { "grpB", new TermQuery { Field = "state", Value = StateOfBeing.Stable } },
        { "grpC", new TermQuery { Field = "state", Value = StateOfBeing.VeryActive } },
    }
}

Example json output.

{
  "interactions": {
    "adjacency_matrix": {
      "filters": {
        "grpA": {
          "term": {
            "state": {
              "value": "BellyUp"
            }
          }
        },
        "grpB": {
          "term": {
            "state": {
              "value": "Stable"
            }
          }
        },
        "grpC": {
          "term": {
            "state": {
              "value": "VeryActive"
            }
          }
        }
      }
    }
  }
}

Handling Responses

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response.ShouldBeValid();
var interactions = response.Aggregations.AdjacencyMatrix("interactions");
interactions.Should().NotBeNull();
var buckets = interactions.Buckets;
buckets.Should().NotBeNullOrEmpty();
foreach (var bucket in buckets)
{
    bucket.Key.Should().NotBeNullOrEmpty();
    bucket.DocCount.Should().BeGreaterThan(0);
}
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