package io.github.vmzakharov.ecdataframe.dataframe;
import io.github.vmzakharov.ecdataframe.dsl.value.StringValue;
import io.github.vmzakharov.ecdataframe.dsl.value.Value;
import io.github.vmzakharov.ecdataframe.dsl.value.ValueType;
import org.eclipse.collections.api.list.ImmutableList;
import org.eclipse.collections.api.list.ListIterable;
abstract public class DfStringColumn
extends DfColumnAbstract
{
public DfStringColumn(DataFrame newDataFrame, String newName)
{
super(newDataFrame, newName);
}
abstract public String getString(int rowIndex);
@Override
public String getValueAsString(int rowIndex)
{
return this.getString(rowIndex);
}
@Override
public String getValueAsStringLiteral(int rowIndex)
{
String value = this.getString(rowIndex);
return value == null ? "" : '"' + this.getValueAsString(rowIndex) + '"';
}
@Override
public Object getObject(int rowIndex)
{
return this.getString(rowIndex);
}
@Override
public Value getValue(int rowIndex)
{
return new StringValue(this.getString(rowIndex));
}
public abstract ImmutableList<String> toList();
public ValueType getType()
{
return ValueType.STRING ;
}
@Override
public void addRowToColumn(int rowIndex, DfColumn target)
{
((DfStringColumnStored) target).addString(this.getString(rowIndex));
}
abstract protected void addAllItems(ListIterable<String> items);
@Override
public DfColumn mergeWithInto(DfColumn other, DataFrame target)
{
DfStringColumn mergedCol = (DfStringColumn) this.validateAndCreateTargetColumn(other, target);
mergedCol.addAllItems(this.toList());
mergedCol.addAllItems(((DfStringColumn) other).toList());
return mergedCol;
}
}