initial add of EbeanORM server based on v2.8.1

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

@@ -0,0 +1,100 @@
+package com.avaje.ebeaninternal.server.expression;
+
+import java.util.Collection;
+
+import com.avaje.ebean.event.BeanQueryRequest;
+import com.avaje.ebeaninternal.api.SpiExpressionRequest;
+import com.avaje.ebeaninternal.server.el.ElPropertyValue;
+
+class InExpression extends AbstractExpression {
+
+  private static final long serialVersionUID = 3150665801693551260L;
+
+  private final Object[] values;
+
+  InExpression(FilterExprPath pathPrefix, String propertyName, Collection<?> coll) {
+    super(pathPrefix, propertyName);
+    values = coll.toArray(new Object[coll.size()]);
+  }
+
+  InExpression(FilterExprPath pathPrefix, String propertyName, Object[] array) {
+    super(pathPrefix, propertyName);
+    this.values = array;
+  }
+
+  public void addBindValues(SpiExpressionRequest request) {
+
+    ElPropertyValue prop = getElProp(request);
+    if (prop != null && !prop.isAssocId()) {
+      prop = null;
+    }
+
+    for (int i = 0; i < values.length; i++) {
+      if (prop == null) {
+        request.addBindValue(values[i]);
+
+      } else {
+        // extract the id values from the bean
+        Object[] ids = prop.getAssocOneIdValues(values[i]);
+        if (ids != null) {
+          for (int j = 0; j < ids.length; j++) {
+            request.addBindValue(ids[j]);
+          }
+        }
+      }
+    }
+  }
+
+  public void addSql(SpiExpressionRequest request) {
+
+    if (values.length == 0) {
+      // 'no match' for in empty collection
+      request.append("1=0");
+      return;
+    }
+
+    String propertyName = getPropertyName();
+
+    ElPropertyValue prop = getElProp(request);
+    if (prop != null && !prop.isAssocId()) {
+      prop = null;
+    }
+
+    if (prop != null) {
+      request.append(prop.getAssocIdInExpr(propertyName));
+      String inClause = prop.getAssocIdInValueExpr(values.length);
+      request.append(inClause);
+
+    } else {
+      request.append(propertyName);
+      request.append(" in (?");
+      for (int i = 1; i < values.length; i++) {
+        request.append(", ").append("?");
+      }
+
+      request.append(" ) ");
+    }
+  }
+
+  /**
+   * Based on the number of values in the in clause.
+   */
+  public int queryAutoFetchHash() {
+    int hc = InExpression.class.getName().hashCode() + 31 * values.length;
+    hc = hc * 31 + propName.hashCode();
+    return hc;
+  }
+
+  public int queryPlanHash(BeanQueryRequest<?> request) {
+    return queryAutoFetchHash();
+  }
+
+  public int queryBindHash() {
+    int hc = 0;
+    for (int i = 1; i < values.length; i++) {
+      hc = 31 * hc + values[i].hashCode();
+    }
+    return hc;
+  }
+
+}