ei.ne.ke.cassandra.cql3.template.In.java Source code

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Here is the source code for ei.ne.ke.cassandra.cql3.template.In.java

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/*
 * Copyright 2013 EK3 Technologies, Inc.
 *
 * 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 ei.ne.ke.cassandra.cql3.template;

import java.util.Collection;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.springframework.util.ObjectUtils;

import com.google.common.collect.Lists;

/**
 * CQL3 IN relation.
 */
public class In extends Relation {

    private final Collection<Term> terms;

    /**
     * Creates a new IN clause with the given identifier and terms.
     * @param identifier the identifier.
     * @param terms the terms.
     */
    public In(Identifier identifier, Term... terms) {
        super(identifier, Comparator.IN);
        this.terms = Lists.newArrayList(terms);
    }

    /**
     * Creates a new IN clause with the given identifier and terms.
     * @param identifier the identifier.
     * @param terms the terms.
     */
    public In(Identifier identifier, Collection<Term> terms) {
        super(identifier, Comparator.IN);
        this.terms = Lists.newArrayListWithExpectedSize(terms.size());
        this.terms.addAll(terms);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(identifier);
        sb.append(" ");
        sb.append("IN(");
        sb.append(StringUtils.join(terms, ", "));
        sb.append(")");
        return sb.toString();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean equals(Object rhs) {
        if (this == rhs) {
            return true;
        } else if (!(rhs instanceof In)) {
            return false;
        } else {
            In that = (In) rhs;
            return super.equals(rhs) && ObjectUtils.nullSafeEquals(this.terms, that.terms);
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this);
    }

}