/** * Copyright 2014-2020 the original author or authors. * * 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 net.kaczmarzyk.spring.data.jpa.domain; import java.util.Arrays; import javax.persistence.criteria.CriteriaBuilder; import javax.persistence.criteria.CriteriaQuery; import javax.persistence.criteria.Predicate; import javax.persistence.criteria.Root; import net.kaczmarzyk.spring.data.jpa.utils.QueryContext; /** * <p>A negation of {@link net.kaczmarzyk.spring.data.jpa.domain.Like Like}</p> * * <p>Filters with {@code path not like %pattern%} where-clause.</p> * * @author Tomasz Kaczmarzyk */ public class NotLike<T> extends PathSpecification<T> implements WithoutTypeConversion { private static final long serialVersionUID = 1L; protected String pattern; public NotLike(QueryContext queryContext, String path, String... args) { super(queryContext, path); if (args == null || args.length != 1) { throw new IllegalArgumentException("Expected exactly one argument (the fragment to match against), but got: " + Arrays.toString(args)); } else { this.pattern = "%" + args[0] + "%"; } } @Override public Predicate toPredicate(Root<T> root, CriteriaQuery<?> query, CriteriaBuilder builder) { return builder.not(builder.like(this.<String>path(root), pattern)); } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + ((pattern == null) ? 0 : pattern.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (!super.equals(obj)) return false; if (getClass() != obj.getClass()) return false; NotLike other = (NotLike) obj; if (pattern == null) { if (other.pattern != null) return false; } else if (!pattern.equals(other.pattern)) return false; return true; } @Override public String toString() { return "NotLike [pattern=" + pattern + "]"; } }