/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.language;
import java.util.List;
import org.teiid.language.visitor.LanguageObjectVisitor;
/**
* Represents a batch of INSERT, UPDATE and DELETE commands to be executed together.
*/
public class BatchedUpdates extends BaseLanguageObject implements Command {
private static final int MAX_COMMANDS_TOSTRING = 5;
private List<Command> updateCommands;
private boolean singleResult;
public BatchedUpdates(List<Command> updateCommands) {
this.updateCommands = updateCommands;
}
/**
* @return a list of IInsert, IUpdate and IDelete commands in this batched update.
*/
public List<Command> getUpdateCommands() {
return updateCommands;
}
public void acceptVisitor(LanguageObjectVisitor visitor) {
visitor.visit(this);
}
/**
* Whether the batch represents a logical unit of work
* It is not required that this be treated as atomic, but
* the translator can use this as hint
* @return
*/
public boolean isSingleResult() {
return singleResult;
}
public void setSingleResult(boolean atomic) {
this.singleResult = atomic;
}
@Override
public String toString() {
return toString(false);
}
public String toString(boolean allCommands) {
StringBuffer result = new StringBuffer();
int toDisplay = updateCommands.size();
boolean overMax = false;
if (!allCommands && toDisplay > MAX_COMMANDS_TOSTRING) {
toDisplay = MAX_COMMANDS_TOSTRING;
overMax = true;
}
for (int i = 0; i < toDisplay; i++) {
if (i > 0) {
result.append("\n"); //$NON-NLS-1$
}
result.append(updateCommands.get(i).toString());
result.append(";"); //$NON-NLS-1$
}
if (overMax) {
result.append("\n..."); //$NON-NLS-1$
}
return result.toString();
}
}