public RoutineExpression(
Routine routine,
List<ExpressionNode> operands,
DataTypeDescriptor sqlType,
ValueNode sqlSource,
TInstance type) {
super(sqlType, sqlSource, type);
this.routine = routine;
this.operands = operands;
if (routine.getParameters().size() != operands.size())
throw new WrongExpressionArityException(routine.getParameters().size(), operands.size());
}
private TPreparedExpression assembleRoutine(
ExpressionNode routineNode,
Routine routine,
List<ExpressionNode> operandNodes,
ColumnExpressionContext columnContext,
SubqueryOperatorAssembler subqueryAssembler) {
List<TPreparedExpression> inputs =
assembleExpressions(operandNodes, columnContext, subqueryAssembler);
switch (routine.getCallingConvention()) {
case JAVA:
return new ServerJavaMethodTExpression(routine, inputs);
case SCRIPT_FUNCTION_JAVA:
case SCRIPT_FUNCTION_JSON:
return new ScriptFunctionJavaRoutineTExpression(routine, inputs);
case SCRIPT_BINDINGS:
case SCRIPT_BINDINGS_JSON:
return new ScriptBindingsRoutineTExpression(routine, inputs);
default:
throw new AkibanInternalException("Unimplemented routine " + routine.getName());
}
}
@Override
public String toString() {
StringBuilder str = new StringBuilder(routine.getName().toString());
str.append("(");
boolean first = true;
for (ExpressionNode operand : operands) {
if (first) first = false;
else str.append(",");
str.append(operand);
}
str.append(")");
return str.toString();
}
@Override
public int hashCode() {
int hash = routine.getName().hashCode();
hash += operands.hashCode();
return hash;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof RoutineExpression)) return false;
RoutineExpression other = (RoutineExpression) obj;
return (routine.equals(other.routine) && operands.equals(other.operands));
}