org.wildfly.common.format.NumericFlags Maven / Gradle / Ivy
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* Copyright 2018 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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.wildfly.common.format;
/**
*/
public final class NumericFlags extends FormatFlags {
private static final NumericFlag[] flagValues = NumericFlag.values();
private static final NumericFlags[] setValues;
static {
final int cnt = 1 << flagValues.length;
NumericFlags[] array = new NumericFlags[cnt];
for (int i = 0; i < cnt; i ++) {
array[i] = new NumericFlags(i);
}
setValues = array;
}
/**
* The empty set of numeric flags.
*/
public static final NumericFlags NONE = setValues[0];
public static NumericFlags of(NumericFlag flag) {
return NONE.with(flag);
}
public static NumericFlags of(NumericFlag flag1, NumericFlag flag2) {
return NONE.with(flag1, flag2);
}
private NumericFlags(int bits) {
super(bits);
}
protected NumericFlags this_() {
return this;
}
protected NumericFlags value(final int bits) {
return setValues[bits & setValues.length - 1];
}
protected NumericFlag itemOf(final int index) {
return flagValues[index];
}
protected NumericFlag castItemOrNull(final Object obj) {
return obj instanceof NumericFlag ? (NumericFlag) obj : null;
}
protected NumericFlags castThis(final Object obj) {
return (NumericFlags) obj;
}
}