| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.databinding.tool.expr; |
| |
| import android.databinding.tool.reflection.ModelAnalyzer; |
| import android.databinding.tool.reflection.ModelClass; |
| |
| import java.util.ArrayList; |
| import java.util.BitSet; |
| import java.util.List; |
| |
| public class TernaryExpr extends Expr { |
| TernaryExpr(Expr pred, Expr ifTrue, Expr ifFalse) { |
| super(pred, ifTrue, ifFalse); |
| } |
| |
| public Expr getPred() { |
| return getChildren().get(0); |
| } |
| |
| public Expr getIfTrue() { |
| return getChildren().get(1); |
| } |
| |
| public Expr getIfFalse() { |
| return getChildren().get(2); |
| } |
| |
| @Override |
| protected String computeUniqueKey() { |
| return "?:" + super.computeUniqueKey(); |
| } |
| |
| @Override |
| protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { |
| return modelAnalyzer.findCommonParentOf(getIfTrue().getResolvedType(), |
| getIfFalse().getResolvedType()); |
| } |
| |
| @Override |
| protected List<Dependency> constructDependencies() { |
| List<Dependency> deps = new ArrayList<>(); |
| Expr predExpr = getPred(); |
| if (predExpr.isDynamic()) { |
| final Dependency pred = new Dependency(this, predExpr); |
| pred.setMandatory(true); |
| deps.add(pred); |
| } |
| Expr ifTrueExpr = getIfTrue(); |
| if (ifTrueExpr.isDynamic()) { |
| deps.add(new Dependency(this, ifTrueExpr, predExpr, true)); |
| } |
| Expr ifFalseExpr = getIfFalse(); |
| if (ifFalseExpr.isDynamic()) { |
| deps.add(new Dependency(this, ifFalseExpr, predExpr, false)); |
| } |
| return deps; |
| } |
| |
| @Override |
| protected BitSet getPredicateInvalidFlags() { |
| return getPred().getInvalidFlags(); |
| } |
| |
| @Override |
| public boolean isConditional() { |
| return true; |
| } |
| } |