initial add of EbeanORM server based on v2.8.1

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

@@ -0,0 +1,86 @@
+package com.avaje.ebeaninternal.server.expression;
+
+import java.util.List;
+
+import com.avaje.ebean.event.BeanQueryRequest;
+import com.avaje.ebeaninternal.api.SpiEbeanServer;
+import com.avaje.ebeaninternal.api.SpiExpressionRequest;
+import com.avaje.ebeaninternal.api.SpiQuery;
+import com.avaje.ebeaninternal.server.query.CQuery;
+
+/**
+ * In expression using a sub query.
+ * 
+ * @authors Mario and Rob
+ */
+class InQueryExpression extends AbstractExpression {
+
+  private static final long serialVersionUID = 666990277309851644L;
+
+  private final SpiQuery<?> subQuery;
+
+  private transient CQuery<?> compiledSubQuery;
+
+  public InQueryExpression(FilterExprPath pathPrefix, String propertyName, SpiQuery<?> subQuery) {
+    super(pathPrefix, propertyName);
+    this.subQuery = subQuery;
+  }
+
+  public int queryAutoFetchHash() {
+    int hc = InQueryExpression.class.getName().hashCode();
+    hc = hc * 31 + propName.hashCode();
+    hc = hc * 31 + subQuery.queryAutofetchHash();
+    return hc;
+  }
+
+  public int queryPlanHash(BeanQueryRequest<?> request) {
+
+    // queryPlanHash executes prior to addSql() or addBindValues()
+    // ... so compiledQuery will exist
+    compiledSubQuery = compileSubQuery(request);
+
+    int hc = InQueryExpression.class.getName().hashCode();
+    hc = hc * 31 + propName.hashCode();
+    hc = hc * 31 + subQuery.queryPlanHash(request);
+    return hc;
+  }
+
+  /**
+   * Compile/build the sub query.
+   */
+  private CQuery<?> compileSubQuery(BeanQueryRequest<?> queryRequest) {
+
+    SpiEbeanServer ebeanServer = (SpiEbeanServer) queryRequest.getEbeanServer();
+    return ebeanServer.compileQuery(subQuery, queryRequest.getTransaction());
+  }
+
+  public int queryBindHash() {
+    return subQuery.queryBindHash();
+  }
+
+  public void addSql(SpiExpressionRequest request) {
+
+    String subSelect = compiledSubQuery.getGeneratedSql();
+    subSelect = subSelect.replace('\n', ' ');
+
+    String propertyName = getPropertyName();
+    request.append(" (");
+    request.append(propertyName);
+    request.append(") in (");
+    request.append(subSelect);
+    request.append(") ");
+  }
+
+  public void addBindValues(SpiExpressionRequest request) {
+
+    List<Object> bindParams = compiledSubQuery.getPredicates().getWhereExprBindValues();
+
+    if (bindParams == null) {
+      return;
+    }
+
+    for (int i = 0; i < bindParams.size(); i++) {
+      request.addBindValue(bindParams.get(i));
+    }
+  }
+}