package org.aksw.sparqlify.algebra.sql.nodes;
import java.util.List;
import org.aksw.sparqlify.core.sql.schema.Schema;
import org.apache.jena.atlas.io.IndentedWriter;
public class SqlOpTable
extends SqlOpLeaf
{
private String tableName;
/**
* The alias name is assigned automatically by the SqlOpSelectBlockCollector.
* If you think you need this field during the creation of algebraic expressions,
* you are probably doing something wrong; (at least I did so with the first version of Sparqlify)
*/
public SqlOpTable(Schema schema, String tableName) {
this(schema, tableName, null);
}
public SqlOpTable(Schema schema, String tableName, String aliasName) {
this(schema, tableName, aliasName, false);
}
public SqlOpTable(Schema schema, String tableName, String aliasName, boolean isEmpty) {
super(schema, isEmpty, aliasName);
this.tableName = tableName;
}
public String getTableName() {
return tableName;
}
@Override
public void write(IndentedWriter writer) {
String aliasPart = aliasName == null ? " AS anonymous" : " AS " + aliasName;
writer.print("SqlOpTable[" + tableName + aliasPart + "]");
}
@Override
public String toString() {
return "SqlOpTable [tableName=" + tableName + ", aliasName="
+ aliasName + "]";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((aliasName == null) ? 0 : aliasName.hashCode());
result = prime * result
+ ((tableName == null) ? 0 : tableName.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
SqlOpTable other = (SqlOpTable) obj;
if (aliasName == null) {
if (other.aliasName != null)
return false;
} else if (!aliasName.equals(other.aliasName))
return false;
if (tableName == null) {
if (other.tableName != null)
return false;
} else if (!tableName.equals(other.tableName))
return false;
return true;
}
@Override
public String getId() {
return tableName;
}
public SqlOp copy(Schema schema, List<SqlOp> newArgs) {
SqlOpTable result = new SqlOpTable(schema, tableName, aliasName, isEmpty);
return result;
}
}