/*
* Copyright 2004-2013 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.lealone.command.dml;
import java.util.ArrayList;
import org.lealone.command.CommandInterface;
import org.lealone.command.Prepared;
import org.lealone.dbobject.Procedure;
import org.lealone.engine.Session;
import org.lealone.expression.Expression;
import org.lealone.expression.Parameter;
import org.lealone.result.ResultInterface;
import org.lealone.util.New;
/**
* This class represents the statement
* EXECUTE
*/
public class ExecuteProcedure extends Prepared {
private final ArrayList<Expression> expressions = New.arrayList();
private Procedure procedure;
public ExecuteProcedure(Session session) {
super(session);
}
public void setProcedure(Procedure procedure) {
this.procedure = procedure;
}
/**
* Set the expression at the given index.
*
* @param index the index (0 based)
* @param expr the expression
*/
public void setExpression(int index, Expression expr) {
expressions.add(index, expr);
}
private void setParameters() {
Prepared prepared = procedure.getPrepared();
ArrayList<Parameter> params = prepared.getParameters();
for (int i = 0; params != null && i < params.size() && i < expressions.size(); i++) {
Expression expr = expressions.get(i);
Parameter p = params.get(i);
p.setValue(expr.getValue(session));
}
}
public boolean isQuery() {
Prepared prepared = procedure.getPrepared();
return prepared.isQuery();
}
public int update() {
setParameters();
Prepared prepared = procedure.getPrepared();
return prepared.update();
}
public ResultInterface query(int limit) {
setParameters();
Prepared prepared = procedure.getPrepared();
return prepared.query(limit);
}
public boolean isTransactional() {
return true;
}
public ResultInterface queryMeta() {
Prepared prepared = procedure.getPrepared();
return prepared.queryMeta();
}
public int getType() {
return CommandInterface.EXECUTE;
}
}