InstanceOfExpr.java revision 2611838bffef5a009ca71e3e9e59a93f29b098ed
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.databinding.tool.expr;
18
19import android.databinding.tool.reflection.ModelAnalyzer;
20import android.databinding.tool.reflection.ModelClass;
21
22import java.util.List;
23
24public class InstanceOfExpr extends Expr {
25    final String mTypeStr;
26    ModelClass mType;
27
28    InstanceOfExpr(Expr left, String type) {
29        super(left);
30        mTypeStr = type;
31    }
32
33    @Override
34    protected String computeUniqueKey() {
35        return join("instanceof", super.computeUniqueKey(), mTypeStr);
36    }
37
38    @Override
39    protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) {
40        mType = modelAnalyzer.findClass(mTypeStr, getModel().getImports());
41        return modelAnalyzer.loadPrimitive("boolean");
42    }
43
44    @Override
45    protected List<Dependency> constructDependencies() {
46        return constructDynamicChildrenDependencies();
47    }
48
49    public Expr getExpr() {
50        return getChildren().get(0);
51    }
52
53    public ModelClass getType() {
54        return mType;
55    }
56}
57