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package io.corbel.lib.queries;

import io.corbel.lib.queries.request.QueryLiteral;
import io.corbel.lib.queries.request.QueryNode;
import io.corbel.lib.queries.request.QueryOperator;

public class QueryNodeImpl implements QueryNode {

    private QueryOperator operator;
    private String field;
    private QueryLiteral value;

    public QueryNodeImpl(QueryOperator operator, String field, QueryLiteral value) {
        super();
        this.operator = operator;
        this.field = field;
        this.value = value;
    }

    @Override
    public QueryOperator getOperator() {
        return operator;
    }

    @Override
    public String getField() {
        return field;
    }

    public void setField(String field) {
        this.field = field;
    }

    @Override
    public QueryLiteral getValue() {
        return value;
    }

    public void setValue(QueryLiteral value) {
        this.value = value;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((field == null) ? 0 : field.hashCode());
        result = prime * result + ((operator == null) ? 0 : operator.hashCode());
        result = prime * result + ((value == null) ? 0 : value.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        QueryNodeImpl other = (QueryNodeImpl) obj;
        if (field == null) {
            if (other.field != null) {
                return false;
            }
        } else if (!field.equals(other.field)) {
            return false;
        }
        if (operator != other.operator) {
            return false;
        }
        if (value == null) {
            if (other.value != null) {
                return false;
            }
        } else if (!value.equals(other.value)) {
            return false;
        }
        return true;
    }
}