1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.yql;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import java.util.List;
import java.util.Set;
class OperatorNodeListTypeChecker extends OperatorTypeChecker {
private final Class<? extends Operator> operatorType;
private final Set<? extends Operator> operators;
public OperatorNodeListTypeChecker(Operator parent, int idx, Class<? extends Operator> operatorType, Set<? extends Operator> operators) {
super(parent, idx);
this.operatorType = operatorType;
this.operators = operators;
}
@Override
public void check(Object argument) {
Preconditions.checkNotNull(argument, "Argument %s of %s must not be null", idx, parent);
Preconditions.checkArgument(argument instanceof List, "Argument %s of %s must be a List<OperatorNode<%s>>", idx, parent, operatorType.getName(), argument.getClass());
List<OperatorNode<?>> lst = (List<OperatorNode<?>>) argument;
for (OperatorNode<?> node : lst) {
Operator op = node.getOperator();
Preconditions.checkArgument(operatorType.isInstance(op), "Argument %s of %s must contain only OperatorNode<%s> (is: %s).", idx, parent, operatorType.getName(), op.getClass());
if (!operators.isEmpty()) {
Preconditions.checkArgument(operators.contains(op), "Argument %s of %s must contain only %s (is %s).", idx, parent, Joiner.on("|").join(operators), op);
}
}
}
}
|
