# HG changeset patch
# User Felix Wolfsteller <felix.wolfsteller@intevation.de>
# Date 1366108730 -7200
# Node ID 17eba7d251b22498784ec282d7d8a447da87f5c2
# Parent  0cab1c884e72114e47512e9b085a51a9a53513fc
WQKmsFactory: Add name getting function if only column id is known.

diff -r 0cab1c884e72 -r 17eba7d251b2 flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQKmsFactory.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQKmsFactory.java	Tue Apr 16 12:36:43 2013 +0200
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQKmsFactory.java	Tue Apr 16 12:38:50 2013 +0200
@@ -29,6 +29,10 @@
         "SELECT position, w, q FROM wst_value_table " +
         "WHERE wst_id = :wst_id AND column_pos = :column_pos";
 
+    /** Get wst_id and position from wst_columns. */
+    public static final String SQL_SELECT_COLUMN =
+        "SELECT wst_id, position FROM wst_columns WHERE id = :column_id";
+
     /** Query to get name for wst_id and column_pos. */
     public static final String SQL_SELECT_NAME =
         "SELECT name " +
@@ -106,5 +110,56 @@
 
         return wqkms;
     }
+
+
+    /**
+     * Get WQKms from db.
+     * @param columnID the columns database id value
+     * @param wst_id database id of the wst
+     * @return respective WQKms.
+     */
+    public static int[] getColumn(int columnID) {
+
+        if (log.isDebugEnabled()) {
+            log.debug("WQKmsFactory.getColumn, columnID "
+                + columnID);
+        }
+
+        Session session = SessionHolder.HOLDER.get();
+
+        SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT_COLUMN)
+            .addScalar("wst_id",  StandardBasicTypes.INTEGER)
+            .addScalar("position", StandardBasicTypes.INTEGER);
+        sqlQuery.setInteger("column_id", columnID);
+
+        List<Object []> results = sqlQuery.list();
+
+        for (int i = 0, N = results.size(); i < N; i++) {
+            Object[] row = results.get(i);
+            return new int[] {(Integer)row[0], (Integer)row[1]};
+        }
+
+        return null;
+    }
+
+
+    /** Get name for a WKms. */
+    public static String getWQKmsName(int columnID) {
+        log.debug("WQKmsFactory.getWQKmsName c/" + columnID);
+
+        String name = null;
+        Session session = SessionHolder.HOLDER.get();
+
+        SQLQuery nameQuery = session.createSQLQuery(SQL_SELECT_NAME)
+            .addScalar("name", StandardBasicTypes.STRING);
+        nameQuery.setInteger("column_id", columnID);
+
+        List<String> names = nameQuery.list();
+        if (names.size() >= 1) {
+            name = names.get(0);
+        }
+
+        return name;
+    }
 }
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