package com.onaro.sanscreen.client.view.tabular;

import org.apache.commons.lang3.StringUtils;

import com.onaro.client.swing.table.functional.IFunction;
import com.onaro.client.swing.table.functional.IFunctionGroup;
import com.onaro.sanscreen.client.view.tabular.columns.ColumnBuilder;

/**
 * Table column that retrieves its value from a property on a Function's return value.
 * For example, a Function could take a Host as input, return an Application, then a property
 * could be read from that Application.
 *
 * @param <Input> Input data type that is used by the Function
 * @param <Output> Ouput data type that is returned by the Function
 * @param <F> The Function interface used by this column
 * 
 * @deprecated Use {@link ColumnBuilder} instead
 */
public class FunctionalPropertyColumn2<Input,Output,F extends IFunction<Input,Output>> extends FunctionalPropertyColumn<Input> {

	private static final long serialVersionUID = 1L;
	
	private Class<F> functionClass;
	
	/**
	 * Construct a FunctionalPropertyColumn2 column
	 * @param functionClass the class of the Function interface to use for this column
	 * @param outputClass the class of the data type returned by the Function
	 * @param propertyPath the Java Bean property to retrieve from the Output of the Function
	 * @param columnName display name to use for the column
	 */
	public FunctionalPropertyColumn2(Class<F> functionClass, Class<Output> outputClass, String propertyPath, String columnName) {
		super(getBeanInfo(outputClass), propertyPath, columnName);
		if (functionClass == null) throw new IllegalArgumentException("functionClass"); //$NON-NLS-1$
		this.functionClass = functionClass;
		installDefaultFilter();
	}
	
	/**
	 * Construct a FunctionalPropertyColumn2 column
	 * @param functionClass the class of the Function interface to use for this column
	 * @param outputClass the class of the data type returned by the Function
	 * @param propertyPath the Java Bean property to retrieve from the Output of the Function
	 * @param columnId identifier used to reference the column
	 * @param columnName display name to use for the column
	 */
	public FunctionalPropertyColumn2(Class<F> functionClass, Class<Output> outputClass, String propertyPath, String columnId, String columnName) {
		this(functionClass, outputClass, propertyPath, columnName);
		if (StringUtils.isBlank(columnId)) throw new IllegalArgumentException("columnId"); //$NON-NLS-1$
		setIdentifier(columnId);
	}
	
	@Override
	protected Output getBean(Input row) {
		F function = getRequiredFunction(functionClass);
		Output output = function.evaluate(row);
		return output;
	}
	
	@Override
	public void getRequiredFunctions(IFunctionGroup<Input> functions) {
		super.getRequiredFunctions(functions);
		functions.add(functionClass);
	}
}