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/*
 * Copyright (C) 2014 Dell, 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 com.dell.doradus.olap.xlink;

import com.dell.doradus.common.FieldDefinition;
import com.dell.doradus.common.TableDefinition;
import com.dell.doradus.olap.io.BSTR;
import com.dell.doradus.olap.search.Result;
import com.dell.doradus.olap.store.CubeSearcher;
import com.dell.doradus.olap.store.FieldSearcher;
import com.dell.doradus.olap.store.ValueSearcher;
import com.dell.doradus.search.query.LinkQuery;
import com.dell.doradus.search.query.Query;

public class DirectXLinkQueryAny implements Query, XLinkQuery {
	private FieldDefinition fieldDef;
	private XQueryAny xresult = new XQueryAny();
	
	public DirectXLinkQueryAny(XLinkContext ctx, TableDefinition tableDef, LinkQuery lq) {
		fieldDef = tableDef.getFieldDef(lq.link);
		xresult.setup(ctx, fieldDef, lq.innerQuery, lq.filter);
	}
	
	public void search(CubeSearcher searcher, Result result) {
		ValueSearcher vs = searcher.getValueSearcher(fieldDef.getTableName(), fieldDef.getXLinkJunction());
		Result r = new Result(vs.size());
		for(int i = 0; i < r.size(); i++) {
			BSTR val = vs.getValue(i);
			if(!xresult.contains(val)) continue;
			r.set(i);
		}
		FieldSearcher fs = searcher.getFieldSearcher(fieldDef.getTableName(), fieldDef.getXLinkJunction());
		fs.fillDocs(r, result);
	}
	
}