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.writer.KCode; 20 21public class StaticIdentifierExpr extends IdentifierExpr { 22 23 StaticIdentifierExpr(String name) { 24 super(name); 25 } 26 27 @Override 28 public boolean isObservable() { 29 return false; 30 } 31 32 @Override 33 public boolean isDynamic() { 34 return false; 35 } 36 37 @Override 38 public String getInvertibleError() { 39 return "Class " + getResolvedType().toJavaCode() + 40 " may not be the target of a two-way binding expression"; 41 } 42 43 @Override 44 public Expr generateInverse(ExprModel model, Expr value, String bindingClassName) { 45 throw new IllegalStateException("StaticIdentifierExpr is not invertible."); 46 } 47 48 @Override 49 protected KCode generateCode() { 50 return new KCode(getResolvedType().toJavaCode()); 51 } 52 53 @Override 54 public Expr cloneToModel(ExprModel model) { 55 return model.staticIdentifier(mName); 56 } 57} 58