#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/query/CQueryIteratorSimple.java

@@ -0,0 +1,46 @@
+package io.ebeaninternal.server.query;
+
+import io.ebean.QueryIterator;
+import io.ebeaninternal.server.core.OrmQueryRequest;
+
+import javax.persistence.PersistenceException;
+import java.sql.SQLException;
+
+/**
+ * QueryIterator that does not require a buffer for secondary queries.
+ */
+class CQueryIteratorSimple<T> implements QueryIterator<T> {
+
+  private final CQuery<T> cquery;
+
+  private final OrmQueryRequest<T> request;
+
+  CQueryIteratorSimple(CQuery<T> cquery, OrmQueryRequest<T> request) {
+    this.cquery = cquery;
+    this.request = request;
+  }
+
+  public boolean hasNext() {
+    try {
+      request.flushPersistenceContextOnIterate();
+      return cquery.hasNext();
+    } catch (SQLException e) {
+      throw cquery.createPersistenceException(e);
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  public T next() {
+    return (T) cquery.next();
+  }
+
+  public void close() {
+    cquery.updateExecutionStatistics();
+    cquery.close();
+    request.endTransIfRequired();
+  }
+
+  public void remove() {
+    throw new PersistenceException("Remove not allowed");
+  }
+}