/* Generated By:JJTree: Do not edit this line. ScalarSubquery.java Version 4.3 */
/* JavaCCOptions:MULTI=true,NODE_USES_PARSER=true,VISITOR=true,TRACK_TOKENS=false,NODE_PREFIX=,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
package org.teiid.query.sql.symbol;
import org.teiid.designer.query.sql.symbol.IScalarSubquery;
import org.teiid.designer.runtime.version.spi.ITeiidServerVersion;
import org.teiid.query.parser.LanguageVisitor;
import org.teiid.query.sql.lang.QueryCommand;
import org.teiid.query.sql.lang.SimpleNode;
import org.teiid.query.sql.lang.SubqueryContainer;
import org.teiid.query.sql.lang.SubqueryHint;
/**
*
*/
public class ScalarSubquery extends SimpleNode
implements Expression, SubqueryContainer<QueryCommand>, IScalarSubquery<LanguageVisitor, QueryCommand> {
private QueryCommand command;
private Class<?> type;
private SubqueryHint subqueryHint = new SubqueryHint();
private boolean shouldEvaluate;
/**
* @param p
* @param id
*/
public ScalarSubquery(ITeiidServerVersion p, int id) {
super(p, id);
}
/**
* @return the command
*/
@Override
public QueryCommand getCommand() {
return command;
}
/**
* @param command the command to set
*/
@Override
public void setCommand(QueryCommand command) {
this.command = command;
}
@Override
public Class<?> getType() {
if (this.type == null){
Expression symbol = this.command.getProjectedSymbols().iterator().next();
this.type = symbol.getType();
}
//may still be null if this.command wasn't resolved
return this.type;
}
/**
* Set type of ScalarSubquery
* @param type New type
*/
public void setType(Class<?> type) {
this.type = type;
}
/**
* @return sub query hint
*/
public SubqueryHint getSubqueryHint() {
return subqueryHint;
}
/**
* @param subqueryHint
*/
public void setSubqueryHint(SubqueryHint subqueryHint) {
this.subqueryHint = subqueryHint;
}
/**
* @return whether to evaluate
*/
public boolean shouldEvaluate() {
return shouldEvaluate;
}
/**
* @param shouldEvaluate
*/
public void setShouldEvaluate(boolean shouldEvaluate) {
this.shouldEvaluate = shouldEvaluate;
}
// TODO: Teiid 9.0
// Check with Paul again??
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((this.command == null) ? 0 : this.command.hashCode());
result = prime * result + ((this.type == null) ? 0 : this.type.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (!super.equals(obj)) return false;
if (getClass() != obj.getClass()) return false;
ScalarSubquery other = (ScalarSubquery)obj;
if (this.command == null) {
if (other.command != null) return false;
} else if (!this.command.equals(other.command)) return false;
if (this.type == null) {
if (other.type != null) return false;
} else if (!this.type.equals(other.type)) return false;
if (this.subqueryHint == null) {
if (other.subqueryHint != null) return false;
} else if (!this.subqueryHint.equals(other.subqueryHint)) return false;
return true;
}
/** Accept the visitor. **/
@Override
public void acceptVisitor(LanguageVisitor visitor) {
visitor.visit(this);
}
@Override
public ScalarSubquery clone() {
ScalarSubquery clone = new ScalarSubquery(getTeiidVersion(), this.id);
if(getType() != null)
clone.setType(getType());
if(getCommand() != null)
clone.setCommand(getCommand().clone());
if (getSubqueryHint() != null) {
clone.setSubqueryHint(getSubqueryHint().clone());
}
return clone;
}
}
/* JavaCC - OriginalChecksum=bfe243691ae4c256b98aff43709faeed (do not edit this line) */