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Dashbuilder Dataset API shared between client and server.

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package org.dashbuilder.dataset.def;

import org.dashbuilder.dataset.ColumnType;
import javax.validation.constraints.NotNull;

/**
 * This class is used to define the structure and runtime behaviour of a data set definition's column instance.
 */
public class DataColumnDef {

    @NotNull()
    private String id;
    @NotNull()
    private ColumnType columnType;

    public DataColumnDef() {
    }

    public DataColumnDef(String id, ColumnType columnType) {
        this.id = id;
        this.columnType = columnType;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public ColumnType getColumnType() {
        return columnType;
    }

    public void setColumnType(ColumnType columnType) {
        this.columnType = columnType;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) return false;
        if (getId() == null) return false;

        try {
            DataColumnDef d = (DataColumnDef) obj;
            return getId().equals(d.getId());
        } catch (ClassCastException e) {
            return false;
        }
    }

    public DataColumnDef clone() {
        return  new DataColumnDef(id, ColumnType.getByName(columnType.name()));
    }
}