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A general programming library in Java/Android. It's easy to learn and simple to use with concise and powerful APIs.
/*
* Copyright (C) 2016 HaiYang Li
*
* 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.landawn.abacus.util.function;
import com.landawn.abacus.util.N;
import com.landawn.abacus.util.Throwables;
/**
*
* @since 0.8
*
* @author Haiyang Li
*/
public interface BooleanPredicate extends Throwables.BooleanPredicate { //NOSONAR
BooleanPredicate ALWAYS_TRUE = value -> true;
BooleanPredicate ALWAYS_FALSE = value -> false;
BooleanPredicate IS_TRUE = value -> value;
BooleanPredicate IS_FALSE = value -> !value;
/**
*
*
* @param value
* @return
*/
@Override
boolean test(boolean value);
/**
* Returns the specified instance.
*
* @param predicate
* @return
*/
static BooleanPredicate of(final BooleanPredicate predicate) {
N.checkArgNotNull(predicate);
return predicate;
}
/**
*
*
* @return
*/
default BooleanPredicate negate() {
return t -> !test(t);
}
/**
*
*
* @param other
* @return
*/
default BooleanPredicate and(BooleanPredicate other) {
N.checkArgNotNull(other);
return t -> test(t) && other.test(t);
}
/**
*
*
* @param other
* @return
*/
default BooleanPredicate or(BooleanPredicate other) {
N.checkArgNotNull(other);
return t -> test(t) || other.test(t);
}
}