/*
* 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.dqp.internal.datamgr;
import java.io.Serializable;
import java.security.Principal;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import javax.security.auth.Subject;
import org.teiid.common.buffer.BufferManager;
import org.teiid.core.util.HashCodeUtil;
import org.teiid.translator.ExecutionContext;
/**
*/
public class ExecutionContextImpl implements ExecutionContext {
// Orginal request non-atomic request id
private String requestID;
// Access Node ID
private String partID;
// currentConnector ID
private String connectorName;
// current VDB
private String vdbName;
// Current VDB's version
private int vdbVersion;
// User Name
private Subject user;
// Payload setup on the Statement object
private Serializable executionPayload;
// ID of the parent JDBC Connection which is executing the statement
private String requestConnectionID;
// Execute count of the query
private String executeCount;
// keep the execution object alive during the processing. default:false
private boolean keepAlive = false;
private boolean isTransactional;
private int batchSize = BufferManager.DEFAULT_CONNECTOR_BATCH_SIZE;
private List<Exception> warnings = new LinkedList<Exception>();
public ExecutionContextImpl(String vdbName, int vdbVersion, Serializable executionPayload,
String originalConnectionID, String connectorName, String requestId, String partId, String execCount) {
this.vdbName = vdbName;
this.vdbVersion = vdbVersion;
this.executionPayload = executionPayload;
this.connectorName = connectorName;
this.requestID = requestId;
this.partID = partId;
this.requestConnectionID = originalConnectionID;
this.executeCount = execCount;
}
public String getConnectorIdentifier() {
return this.connectorName;
}
@Override
public String getRequestIdentifier() {
return this.requestID;
}
@Override
public String getPartIdentifier() {
return this.partID;
}
@Override
public String getExecutionCountIdentifier() {
return this.executeCount;
}
@Override
public String getVirtualDatabaseName() {
return this.vdbName;
}
@Override
public int getVirtualDatabaseVersion() {
return this.vdbVersion;
}
@Override
public Subject getSubject() {
return this.user;
}
public void setUser(Subject user) {
this.user = user;
}
@Override
public Serializable getExecutionPayload() {
return executionPayload;
}
@Override
public String getConnectionIdentifier() {
return requestConnectionID;
}
@Override
public void keepExecutionAlive(boolean alive) {
this.keepAlive = alive;
}
boolean keepExecutionAlive() {
return this.keepAlive;
}
public boolean equals(Object obj) {
if(obj == this) {
return true;
}
if(! (obj instanceof ExecutionContext)) {
return false;
}
ExecutionContext other = (ExecutionContext) obj;
return compareWithNull(this.getRequestIdentifier(), other.getRequestIdentifier()) &&
compareWithNull(this.getPartIdentifier(), other.getPartIdentifier());
}
private boolean compareWithNull(Object obj1, Object obj2) {
if(obj1 == null) {
if(obj2 == null) {
return true;
}
return false;
}
if(obj2 == null) {
return false;
}
return obj1.equals(obj2);
}
public int hashCode() {
return HashCodeUtil.hashCode(HashCodeUtil.hashCode(0, requestID), partID);
}
public String toString() {
String userName = null;
if (this.user != null) {
for(Principal p:this.user.getPrincipals()) {
userName = p.getName();
}
}
return "ExecutionContext<vdb=" + this.vdbName + ", version=" + this.vdbVersion + ", user=" + userName + ">"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
}
@Override
public boolean isTransactional() {
return isTransactional;
}
void setTransactional(boolean isTransactional) {
this.isTransactional = isTransactional;
}
@Override
public int getBatchSize() {
return batchSize;
}
public void setBatchSize(int batchSize) {
this.batchSize = batchSize;
}
/**
* Add an exception as a warning to this Execution.
*/
@Override
public void addWarning(Exception ex) {
if (ex == null) {
return;
}
this.warnings.add(ex);
}
public List<Exception> getWarnings() {
List<Exception> result = new ArrayList<Exception>(warnings);
warnings.clear();
return result;
}
}