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# SolveGraphRequest.SolverType

> SolveGraphRequest.SolverType — Kinetica Java API

<div className="kinetica-javadoc">
  <div className="header">
    <div className="sub-title"><span className="package-label-in-type">Package</span> <a href="/content/api/java/com/gpudb/protocol/package-summary">com.gpudb.protocol</a></div>
    <h1 title="Class SolveGraphRequest.SolverType" className="title">Class SolveGraphRequest.SolverType</h1>
  </div>

  <div className="inheritance" title="Inheritance Tree">
    <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" className="external-link">java.lang.Object</a>
    <div className="inheritance">com.gpudb.protocol.SolveGraphRequest.SolverType</div>
  </div>

  <div className="section class-description" id="class-description">
    <div className="dl notes">
      <div className="dt">Enclosing class:</div>
      <div className="dd"><code><a href="/content/api/java/com/gpudb/protocol/SolveGraphRequest" title="class in com.gpudb.protocol">SolveGraphRequest</a></code></div>
    </div>

    <hr />

    <div className="type-signature"><span className="modifiers">public static final class </span><span className="element-name type-name-label">SolveGraphRequest.SolverType</span> <span className="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" className="external-link">Object</a></span></div>

    <div className="block">
      A set of string constants for the <a href="/content/api/java/com/gpudb/protocol/SolveGraphRequest" title="class in com.gpudb.protocol"><code>SolveGraphRequest</code></a> parameter <a href="/content/api/java/com/gpudb/protocol/SolveGraphRequest#getSolverType()"><code>solverType</code></a>.
      <p> The type of solver to use for the graph.</p>
    </div>
  </div>

  <div className="section summary">
    <ul className="summary-list">
      <li>
        <div className="section field-summary" id="field-summary">
          <h2>Field Summary</h2>
          <div className="caption"><span>Fields</span></div>

          <div className="summary-table three-column-summary">
            <div className="table-header col-first">Modifier and Type</div>
            <div className="table-header col-second">Field</div>
            <div className="table-header col-last">Description</div>
            <div className="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second even-row-color"><code><a href="#ALLPATHS" className="member-name-link">ALLPATHS</a></code></div>

            <div className="col-last even-row-color">
              <div className="block">Solves for paths that would give costs between max and min solution radia - Make sure to limit by the 'max\_solution\_targets' option.</div>
            </div>

            <div className="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second odd-row-color"><code><a href="#BACKHAUL_ROUTING" className="member-name-link">BACKHAUL\_ROUTING</a></code></div>

            <div className="col-last odd-row-color">
              <div className="block">Solves for optimal routes that connect remote asset nodes to the fixed (backbone) asset nodes.</div>
            </div>

            <div className="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second even-row-color"><code><a href="#CENTRALITY" className="member-name-link">CENTRALITY</a></code></div>

            <div className="col-last even-row-color">
              <div className="block">Solves for the degree of a node to depict how many pairs of individuals that would have to go through the node to reach one another in the minimum number of hops.</div>
            </div>

            <div className="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second odd-row-color"><code><a href="#CLOSENESS" className="member-name-link">CLOSENESS</a></code></div>

            <div className="col-last odd-row-color">
              <div className="block">Solves for the centrality closeness score per node as the sum of the inverse shortest path costs to all nodes in the graph.</div>
            </div>

            <div className="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second even-row-color"><code><a href="#INVERSE_SHORTEST_PATH" className="member-name-link">INVERSE\_SHORTEST\_PATH</a></code></div>

            <div className="col-last even-row-color">
              <div className="block">Solves for finding the optimal path cost for each destination node to route to the source node.</div>
            </div>

            <div className="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second odd-row-color"><code><a href="#MULTIPLE_ROUTING" className="member-name-link">MULTIPLE\_ROUTING</a></code></div>

            <div className="col-last odd-row-color">
              <div className="block">Solves for finding the minimum cost cumulative path for a round-trip starting from the given source and visiting each given destination node once then returning to the source.</div>
            </div>

            <div className="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second even-row-color"><code><a href="#PAGE_RANK" className="member-name-link">PAGE\_RANK</a></code></div>

            <div className="col-last even-row-color">
              <div className="block">Solves for the probability of each destination node being visited based on the links of the graph topology.</div>
            </div>

            <div className="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second odd-row-color"><code><a href="#PROBABILITY_RANK" className="member-name-link">PROBABILITY\_RANK</a></code></div>

            <div className="col-last odd-row-color">
              <div className="block">Solves for the transitional probability (Hidden Markov) for each node based on the weights (probability assigned over given edges).</div>
            </div>

            <div className="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second even-row-color"><code><a href="#SHORTEST_PATH" className="member-name-link">SHORTEST\_PATH</a></code></div>

            <div className="col-last even-row-color">
              <div className="block">Solves for the optimal (shortest) path based on weights and restrictions from one source to destinations nodes.</div>
            </div>

            <div className="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></code></div>
            <div className="col-second odd-row-color"><code><a href="#STATS_ALL" className="member-name-link">STATS\_ALL</a></code></div>

            <div className="col-last odd-row-color">
              <div className="block">Solves for graph statistics such as graph diameter, longest pairs, vertex valences, topology numbers, average and max cluster sizes, etc.</div>
            </div>
          </div>
        </div>
      </li>

      <li>
        <div className="section method-summary" id="method-summary">
          <h2>Method Summary</h2>

          <div className="inherited-list">
            <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" className="external-link">Object</a></h3>
            <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" className="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" className="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" className="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" className="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" className="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" className="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" className="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" className="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" className="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" className="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" className="external-link">wait</a></code>
          </div>
        </div>
      </li>
    </ul>
  </div>

  <div className="section details">
    <ul className="details-list">
      <li>
        <div className="section field-details" id="field-detail">
          <h2>Field Details</h2>

          <ul className="member-list">
            <li>
              <div className="section detail" id="SHORTEST_PATH">
                <h3>SHORTEST\_PATH</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">SHORTEST\_PATH</span></div>
                <div className="block">Solves for the optimal (shortest) path based on weights and restrictions from one source to destinations nodes. Also known as the Dijkstra solver.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.SHORTEST_PATH">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="PAGE_RANK">
                <h3>PAGE\_RANK</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">PAGE\_RANK</span></div>
                <div className="block">Solves for the probability of each destination node being visited based on the links of the graph topology. Weights are not required to use this solver.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.PAGE_RANK">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="PROBABILITY_RANK">
                <h3>PROBABILITY\_RANK</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">PROBABILITY\_RANK</span></div>
                <div className="block">Solves for the transitional probability (Hidden Markov) for each node based on the weights (probability assigned over given edges).</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.PROBABILITY_RANK">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="CENTRALITY">
                <h3>CENTRALITY</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">CENTRALITY</span></div>
                <div className="block">Solves for the degree of a node to depict how many pairs of individuals that would have to go through the node to reach one another in the minimum number of hops. Also known as betweenness.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.CENTRALITY">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="MULTIPLE_ROUTING">
                <h3>MULTIPLE\_ROUTING</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">MULTIPLE\_ROUTING</span></div>
                <div className="block">Solves for finding the minimum cost cumulative path for a round-trip starting from the given source and visiting each given destination node once then returning to the source. Also known as the traveling salesman problem.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.MULTIPLE_ROUTING">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="INVERSE_SHORTEST_PATH">
                <h3>INVERSE\_SHORTEST\_PATH</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">INVERSE\_SHORTEST\_PATH</span></div>
                <div className="block">Solves for finding the optimal path cost for each destination node to route to the source node. Also known as inverse Dijkstra or the service man routing problem.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.INVERSE_SHORTEST_PATH">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="BACKHAUL_ROUTING">
                <h3>BACKHAUL\_ROUTING</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">BACKHAUL\_ROUTING</span></div>
                <div className="block">Solves for optimal routes that connect remote asset nodes to the fixed (backbone) asset nodes.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.BACKHAUL_ROUTING">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="ALLPATHS">
                <h3>ALLPATHS</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">ALLPATHS</span></div>
                <div className="block">Solves for paths that would give costs between max and min solution radia - Make sure to limit by the 'max\_solution\_targets' option. Min cost should be >= shortest\_path cost.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.ALLPATHS">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="STATS_ALL">
                <h3>STATS\_ALL</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">STATS\_ALL</span></div>
                <div className="block">Solves for graph statistics such as graph diameter, longest pairs, vertex valences, topology numbers, average and max cluster sizes, etc.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.STATS_ALL">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>

            <li>
              <div className="section detail" id="CLOSENESS">
                <h3>CLOSENESS</h3>
                <div className="member-signature"><span className="modifiers">public static final</span> <span className="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" className="external-link">String</a></span> <span className="element-name">CLOSENESS</span></div>
                <div className="block">Solves for the centrality closeness score per node as the sum of the inverse shortest path costs to all nodes in the graph.</div>

                <div className="dl notes">
                  <div className="dt">See Also:</div>

                  <div className="dd">
                    <ul className="tag-list">
                      <li><a href="/content/api/java/constant-values#com.gpudb.protocol.SolveGraphRequest.SolverType.CLOSENESS">Constant Field Values</a></li>
                    </ul>
                  </div>
                </div>
              </div>
            </li>
          </ul>
        </div>
      </li>
    </ul>
  </div>
</div>