com.hazelcast.query.impl.predicates.LikePredicate Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of hazelcast-java-client Show documentation
Hazelcast Java Client
The newest version!
/*
 * Copyright (c) 2008-2024, Hazelcast, Inc. All Rights Reserved.
 *
 * 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.hazelcast.query.impl.predicates;

import com.hazelcast.internal.serialization.BinaryInterface;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;

import java.io.IOException;
import java.io.Serial;
import java.util.regex.Pattern;

/**
 * Like Predicate
 */
@BinaryInterface
public class LikePredicate extends AbstractPredicate implements IndexAwarePredicate {

    @Serial
    private static final long serialVersionUID = 1L;

    protected String expression;

    public LikePredicate() {
    }

    public LikePredicate(String attributeName, String expression) {
        super(attributeName);
        this.expression = expression;
    }

    @Override
    public void writeData(ObjectDataOutput out) throws IOException {
        super.writeData(out);
        out.writeString(expression);
    }

    @Override
    public void readData(ObjectDataInput in) throws IOException {
        super.readData(in);
        expression = in.readString();
    }

    protected int getFlags() {
        return Pattern.DOTALL;
    }

    @Override
    public String toString() {
        return attributeName + " LIKE '" + expression + "'";
    }

    @Override
    public int getClassId() {
        return PredicateDataSerializerHook.LIKE_PREDICATE;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!super.equals(o)) {
            return false;
        }
        if (!(o instanceof LikePredicate that)) {
            return false;
        }

        if (!that.canEqual(this)) {
            return false;
        }

        return expression != null ? expression.equals(that.expression) : that.expression == null;
    }

    @Override
    public boolean canEqual(Object other) {
        return (other instanceof LikePredicate);
    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = 31 * result + (expression != null ? expression.hashCode() : 0);
        return result;
    }
}