Introduce Terms manager service.

[gpl/argeo-suite.git] / org.argeo.suite.core / src / org / argeo / suite / core / SuiteTypology.java

diff --git a/org.argeo.suite.core/src/org/argeo/suite/core/SuiteTypology.java b/org.argeo.suite.core/src/org/argeo/suite/core/SuiteTypology.java
new file mode 100644 (file)
index 0000000..e84066c
--- /dev/null
+++ b/org.argeo.suite.core/src/org/argeo/suite/core/SuiteTypology.java
@@ -0,0 +1,64 @@
+package org.argeo.suite.core;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.jcr.Node;
+
+import org.argeo.jcr.Jcr;
+
+/** A typology. Helper to optimise {@link SuiteTermsManager} implementation. */
+class SuiteTypology {
+       private final String name;
+       private final Node node;
+       private boolean isFlat = true;
+
+       private final List<SuiteTerm> subTerms = new ArrayList<>();
+
+       public SuiteTypology(Node node) {
+               this.node = node;
+               this.name = Jcr.getName(this.node);
+       }
+
+       public String getName() {
+               return name;
+       }
+
+       public Node getNode() {
+               return node;
+       }
+
+       void markNotFlat() {
+               if (isFlat)
+                       isFlat = false;
+       }
+
+       public boolean isFlat() {
+               return isFlat;
+       }
+
+       public List<SuiteTerm> getSubTerms() {
+               return subTerms;
+       }
+
+       public List<SuiteTerm> getAllTerms() {
+               if (isFlat)
+                       return subTerms;
+               else {
+                       List<SuiteTerm> terms = new ArrayList<>();
+                       for (SuiteTerm subTerm : subTerms) {
+                               terms.add(subTerm);
+                               collectSubTerms(terms, subTerm);
+                       }
+                       return terms;
+               }
+       }
+
+       private void collectSubTerms(List<SuiteTerm> terms, SuiteTerm term) {
+               for (SuiteTerm subTerm : term.getSubTerms()) {
+                       terms.add(subTerm);
+                       collectSubTerms(terms, subTerm);
+               }
+       }
+
+}