/*
* Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
*
* 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 org.jboss.errai.codegen;
import org.jboss.errai.codegen.meta.MetaClass;
/**
* @author Mike Brock <cbrock@redhat.com>
* @author Christian Sadilek <csadilek@redhat.com>
*/
public enum AssignmentOperator implements Operator {
Assignment ("=", 0),
PreIncrementAssign ("+=", 0, CharSequence.class, Number.class),
PostIncrementAssign ("=+", 0, CharSequence.class, Number.class),
PreDecrementAssign ("-=", 0, Number.class),
PostDecrementAssign ("=-", 0, Number.class);
private final Operator operator;
AssignmentOperator(final String canonicalString,
final int operatorPrecedence,
final Class<?>... constraints) {
operator = new OperatorImpl(canonicalString, operatorPrecedence, constraints);
}
@Override
public String getCanonicalString() {
return operator.getCanonicalString();
}
@Override
public int getOperatorPrecedence() {
return operator.getOperatorPrecedence();
}
@Override
public boolean isHigherPrecedenceThan(final Operator op) {
return op.getOperatorPrecedence() < getOperatorPrecedence();
}
@Override
public boolean isEqualOrHigherPrecedenceThan(final Operator op) {
return op.getOperatorPrecedence() <= getOperatorPrecedence();
}
@Override
public boolean canBeApplied(final MetaClass clazz) {
return operator.canBeApplied(clazz);
}
@Override
public void assertCanBeApplied(final MetaClass clazz) {
operator.assertCanBeApplied(clazz);
}
}