initial add of EbeanORM server based on v2.8.1

src/main/java/com/avaje/ebeaninternal/server/expression/RawExpression.java

@@ -0,0 +1,54 @@
+package com.avaje.ebeaninternal.server.expression;
+
+import com.avaje.ebean.event.BeanQueryRequest;
+import com.avaje.ebeaninternal.api.ManyWhereJoins;
+import com.avaje.ebeaninternal.api.SpiExpression;
+import com.avaje.ebeaninternal.api.SpiExpressionRequest;
+import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
+
+class RawExpression implements SpiExpression {
+
+  private static final long serialVersionUID = 7973903141340334606L;
+
+  private final String sql;
+
+  private final Object[] values;
+
+  RawExpression(String sql, Object[] values) {
+    this.sql = sql;
+    this.values = values;
+  }
+
+  public void containsMany(BeanDescriptor<?> desc, ManyWhereJoins manyWhereJoin) {
+
+  }
+
+  public void addBindValues(SpiExpressionRequest request) {
+    if (values != null) {
+      for (int i = 0; i < values.length; i++) {
+        request.addBindValue(values[i]);
+      }
+    }
+  }
+
+  public void addSql(SpiExpressionRequest request) {
+    request.append(sql);
+  }
+
+  /**
+   * Based on the sql.
+   */
+  public int queryAutoFetchHash() {
+    int hc = RawExpression.class.getName().hashCode();
+    hc = hc * 31 + sql.hashCode();
+    return hc;
+  }
+
+  public int queryPlanHash(BeanQueryRequest<?> request) {
+    return queryAutoFetchHash();
+  }
+
+  public int queryBindHash() {
+    return sql.hashCode();
+  }
+}