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/*
* Copyright (C) 2007 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.android.dexgen.rop.cst;
/**
* Constants of type {@code CONSTANT_*ref_info}.
*/
public abstract class CstMemberRef extends TypedConstant {
/** {@code non-null;} the type of the defining class */
private final CstType definingClass;
/** {@code non-null;} the name-and-type */
private final CstNat nat;
/**
* Constructs an instance.
*
* @param definingClass {@code non-null;} the type of the defining class
* @param nat {@code non-null;} the name-and-type
*/
/*package*/ CstMemberRef(CstType definingClass, CstNat nat) {
if (definingClass == null) {
throw new NullPointerException("definingClass == null");
}
if (nat == null) {
throw new NullPointerException("nat == null");
}
this.definingClass = definingClass;
this.nat = nat;
}
/** {@inheritDoc} */
@Override
public final boolean equals(Object other) {
if ((other == null) || (getClass() != other.getClass())) {
return false;
}
CstMemberRef otherRef = (CstMemberRef) other;
return definingClass.equals(otherRef.definingClass) &&
nat.equals(otherRef.nat);
}
/** {@inheritDoc} */
@Override
public final int hashCode() {
return (definingClass.hashCode() * 31) ^ nat.hashCode();
}
/**
* {@inheritDoc}
*
* <p><b>Note:</b> This implementation just compares the defining
* class and name, and it is up to subclasses to compare the rest
* after calling {@code super.compareTo0()}.</p>
*/
@Override
protected int compareTo0(Constant other) {
CstMemberRef otherMember = (CstMemberRef) other;
int cmp = definingClass.compareTo(otherMember.definingClass);
if (cmp != 0) {
return cmp;
}
CstUtf8 thisName = nat.getName();
CstUtf8 otherName = otherMember.nat.getName();
return thisName.compareTo(otherName);
}
/** {@inheritDoc} */
@Override
public final String toString() {
return typeName() + '{' + toHuman() + '}';
}
/** {@inheritDoc} */
@Override
public final boolean isCategory2() {
return false;
}
/** {@inheritDoc} */
public final String toHuman() {
return definingClass.toHuman() + '.' + nat.toHuman();
}
/**
* Gets the type of the defining class.
*
* @return {@code non-null;} the type of defining class
*/
public final CstType getDefiningClass() {
return definingClass;
}
/**
* Gets the defining name-and-type.
*
* @return {@code non-null;} the name-and-type
*/
public final CstNat getNat() {
return nat;
}
}
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