/*
* Copyright (C) 2011 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 com.google.dexmaker;
import com.android.dx.rop.cst.CstFieldRef;
import com.android.dx.rop.cst.CstNat;
import com.android.dx.rop.cst.CstString;
/**
* Identifies a field.
*
* @param <D> the type declaring this field
* @param <V> the type of value this field holds
*/
public final class FieldId<D, V> {
final TypeId<D> declaringType;
final TypeId<V> type;
final String name;
/** cached converted state */
final CstNat nat;
final CstFieldRef constant;
FieldId(TypeId<D> declaringType, TypeId<V> type, String name) {
if (declaringType == null || type == null || name == null) {
throw new NullPointerException();
}
this.declaringType = declaringType;
this.type = type;
this.name = name;
this.nat = new CstNat(new CstString(name), new CstString(type.name));
this.constant = new CstFieldRef(declaringType.constant, nat);
}
public TypeId<D> getDeclaringType() {
return declaringType;
}
public TypeId<V> getType() {
return type;
}
public String getName() {
return name;
}
@Override public boolean equals(Object o) {
return o instanceof FieldId
&& ((FieldId<?, ?>) o).declaringType.equals(declaringType)
&& ((FieldId<?, ?>) o).name.equals(name);
}
@Override public int hashCode() {
return declaringType.hashCode() + 37 * name.hashCode();
}
@Override public String toString() {
return declaringType + "." + name;
}
}