#1611 - ENH: Add inRange expression (as half open expression) ... (property >= lowerValue and property < upperValue)

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

@@ -0,0 +1,61 @@
+package io.ebeaninternal.server.expression;
+
+import io.ebeaninternal.api.SpiExpression;
+import io.ebeaninternal.api.SpiExpressionRequest;
+
+import java.io.IOException;
+
+class InRangeExpression extends AbstractExpression {
+
+  private final Object valueHigh;
+
+  private final Object valueLow;
+
+  InRangeExpression(String propertyName, Object valueLow, Object valueHigh) {
+    super(propertyName);
+    this.valueLow = valueLow;
+    this.valueHigh = valueHigh;
+  }
+
+  private Object low() {
+    return NamedParamHelp.value(valueLow);
+  }
+
+  private Object high() {
+    return NamedParamHelp.value(valueHigh);
+  }
+
+  @Override
+  public void writeDocQuery(DocQueryContext context) throws IOException {
+    context.writeRange(propName, Op.GT_EQ, low(), Op.LT, high());
+  }
+
+  @Override
+  public void addBindValues(SpiExpressionRequest request) {
+    request.addBindValue(low());
+    request.addBindValue(high());
+  }
+
+  @Override
+  public void addSql(SpiExpressionRequest request) {
+    request.append("(").append(propName).append(" >= ? and ").append(propName).append(" < ?) ");
+  }
+
+  @Override
+  public void queryPlanHash(StringBuilder builder) {
+    builder.append("InRange[").append(propName).append("]");
+  }
+
+  @Override
+  public int queryBindHash() {
+    int hc = low().hashCode();
+    hc = hc * 92821 + high().hashCode();
+    return hc;
+  }
+
+  @Override
+  public boolean isSameByBind(SpiExpression other) {
+    InRangeExpression that = (InRangeExpression) other;
+    return low().equals(that.low()) && high().equals(that.high());
+  }
+}