#1348 - ENH: Add support for bitwiseAnd / bitwiseAny / bitwiseAll .. expressions for use with integer/long "Flags" properties

src/main/java/io/ebeaninternal/server/expression/BitwiseExpression.java

@@ -0,0 +1,63 @@
+package io.ebeaninternal.server.expression;
+
+import io.ebeaninternal.api.SpiExpression;
+import io.ebeaninternal.api.SpiExpressionRequest;
+
+import java.io.IOException;
+
+/**
+ * Bitwise expression.
+ */
+class BitwiseExpression extends AbstractExpression {
+
+  protected final BitwiseOp operator;
+
+  private final String compare;
+
+  protected final long flags;
+
+  private final long match;
+
+  BitwiseExpression(String propertyName, BitwiseOp operator, long flags, String compare, long match) {
+    super(propertyName);
+    this.operator = operator;
+    this.flags = flags;
+    this.compare = compare;
+    this.match = match;
+  }
+
+  @Override
+  public void writeDocQuery(DocQueryContext context) throws IOException {
+    throw new IllegalStateException("Not supported for document queries");
+  }
+
+  @Override
+  public void queryPlanHash(StringBuilder builder) {
+    builder.append("Bitwise[");
+    builder.append(propName).append(" op:").append(operator).append(" cp:").append(compare);
+    builder.append(" ?2]");
+  }
+
+  @Override
+  public int queryBindHash() {
+    return Long.hashCode(flags);
+  }
+
+  @Override
+  public boolean isSameByBind(SpiExpression other) {
+    BitwiseExpression that = (BitwiseExpression) other;
+    return operator == that.operator && compare.equals(that.compare) && flags == that.flags && match == that.match;
+  }
+
+  @Override
+  public void addSql(SpiExpressionRequest request) {
+    // Use DB specific expression handling
+    request.getDbPlatformHandler().bitwise(request, propName, operator, flags, compare, match);
+  }
+
+  @Override
+  public void addBindValues(SpiExpressionRequest request) {
+    request.addBindValue(flags);
+    request.addBindValue(match);
+  }
+}