/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on June 20, 2015
*/
package com.bigdata.rdf.sparql.ast;
import java.util.HashMap;
import java.util.Map;
import com.bigdata.rdf.sparql.ast.optimizers.ASTJoinGroupFilterExistsInfo;
/**
* Map from nodes to their respective {@link GroupNodeVarBindingInfo} object,
* including setup method.
*
* @author <a href="mailto:ms@metaphacts.com">Michael Schmidt</a>
* @version $Id$
*/
public class GroupNodeVarBindingInfoMap {
final private Map<IGroupMemberNode, GroupNodeVarBindingInfo> bindingInfo;
/**
* Constructor, setting up an object given a list of {@link IGroupMemberNode}
* objects and the associated {@link StaticAnalysis} object as input.
*
* @param nodes
*/
public GroupNodeVarBindingInfoMap(
final Iterable<IGroupMemberNode> nodes,
final StaticAnalysis sa,
final ASTJoinGroupFilterExistsInfo fExInfo) {
bindingInfo = new HashMap<IGroupMemberNode, GroupNodeVarBindingInfo>();
for (IGroupMemberNode node : nodes) {
final GroupNodeVarBindingInfo vbc =
new GroupNodeVarBindingInfo(node, sa, fExInfo);
bindingInfo.put(node,vbc);
}
}
/**
* Get the {@link GroupNodeVarBindingInfo} for the given node. Returns null
* if the node is not registered.
*/
public GroupNodeVarBindingInfo get(IGroupMemberNode node) {
return bindingInfo.get(node);
}
}