org.nlpcn.es4sql.domain.Query Maven / Gradle / Ivy

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package org.nlpcn.es4sql.domain;

import java.util.ArrayList;
import java.util.List;

import org.nlpcn.es4sql.domain.hints.Hint;

/**
 * Represents abstract query. every query
 * has indexes, types, and where clause.
 */
public abstract class Query {

	private Where where = null;
	private final List from = new ArrayList<>();
	private int offset;
	private int rowCount = -1;
	private final List hints = new ArrayList<>();

	public Where getWhere() {
		return this.where;
	}

	public void setWhere(Where where) {
		this.where = where;
	}

	public List getFrom() {
		return from;
	}

	public int getOffset() {
		return offset;
	}

	public void setOffset(int offset) {
		this.offset = offset;
	}

	public int getRowCount() {
		return rowCount;
	}

	public void setRowCount(int rowCount) {
		this.rowCount = rowCount;
	}

	public List getHints() {
		return hints;
	}

	/**
	 * Get the indexes the query refer to.
	 * @return list of strings, the indexes names
	 */
	public String[] getIndexArr() {
		String[] indexArr = new String[this.from.size()];
		for (int i = 0; i < indexArr.length; i++) {
			indexArr[i] = this.from.get(i).getIndex();
		}
		return indexArr;
	}

	/**
	 * Get the types the query refer to.
	 * @return list of strings, the types names
	 */
	public String[] getTypeArr() {
		List list = new ArrayList<>();
		From index = null;
		for (int i = 0; i < from.size(); i++) {
			index = from.get(i);
			if (index.getType() != null && index.getType().trim().length() > 0) {
				list.add(index.getType());
			}
		}
		if (list.size() == 0) {
			return null;
		}

		return list.toArray(new String[list.size()]);
	}
}