#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/deploy/IndexDefinition.java

@@ -0,0 +1,59 @@
+package io.ebeaninternal.server.deploy;
+
+/**
+ * Holds multiple column unique constraints defined for an entity.
+ */
+public class IndexDefinition {
+
+  private final String[] columns;
+
+  private final String name;
+
+  private final boolean unique;
+
+  /**
+   * A single column index.
+   */
+  public IndexDefinition(String column, String name, boolean unique) {
+    this.columns = new String[]{column};
+    this.unique = unique;
+    this.name = name;
+  }
+
+  public IndexDefinition(String[] columns, String name, boolean unique) {
+    this.columns = columns;
+    this.unique = unique;
+    this.name = name;
+  }
+
+  /**
+   * Create a unique constraint given the column names.
+   */
+  public IndexDefinition(String[] columns) {
+    this.columns = columns;
+    this.unique = true;
+    this.name = null;
+  }
+
+  /**
+   * Return true if this is a unique constraint.
+   */
+  public boolean isUnique() {
+    return unique;
+  }
+
+  /**
+   * Return the index name (can be null).
+   */
+  public String getName() {
+    return name;
+  }
+
+  /**
+   * Return the columns that make up this unique constraint.
+   */
+  public String[] getColumns() {
+    return columns;
+  }
+
+}