[#974] Add Schema.getTable(String), getSequence(String), getUDT(String) for better runtime Schema meta-navigation

jOOQ/src/main/java/org/jooq/Schema.java

@@ -63,13 +63,31 @@ public interface Schema extends NamedQueryPart {
      */
     List<Table<?>> getTables();
 
+    /**
+     * Get a table by its name (case-sensitive) in this schema, or
+     * <code>null</code> if no such table exists
+     */
+    Table<?> getTable(String name);
+
     /**
      * List all UDTs contained in this schema
      */
     List<UDT<?>> getUDTs();
 
+    /**
+     * Get a UDT by its name (case-sensitive) in this schema, or
+     * <code>null</code> if no such UDT exists
+     */
+    UDT<?> getUDT(String name);
+
     /**
      * List all sequences contained in this schema
      */
     List<Sequence<?>> getSequences();
+
+    /**
+     * Get a sequence by its name (case-sensitive) in this schema, or
+     * <code>null</code> if no such sequence exists
+     */
+    Sequence<?> getSequence(String name);
 }

jOOQ/src/main/java/org/jooq/impl/SchemaImpl.java

@@ -90,6 +90,39 @@ public class SchemaImpl extends AbstractNamedQueryPart implements Schema {
         typeMapping.put(name, type);
     }
 
+    @Override
+    public final Table<?> getTable(String name) {
+        for (Table<?> table : getTables()) {
+            if (table.getName().equals(name)) {
+                return table;
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public final UDT<?> getUDT(String name) {
+        for (UDT<?> udt : getUDTs()) {
+            if (udt.getName().equals(name)) {
+                return udt;
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public final Sequence<?> getSequence(String name) {
+        for (Sequence<?> sequence : getSequences()) {
+            if (sequence.getName().equals(name)) {
+                return sequence;
+            }
+        }
+
+        return null;
+    }
+
     /**
      * {@inheritDoc}
      * <p>