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package sf.database.meta.def;

import javax.persistence.Column;

/**
 * 列定义,解析Column字段
 */
public class ColumnDef {

    //Column

    /**
     * (Optional) The name of the column. Defaults to
     * the property or field name.
     */
    String name = "";

    /**
     * (Optional) Whether the column is a unique key.  This is a
     * shortcut for the UniqueConstraint annotation at the table
     * level and is useful for when the unique key constraint
     * corresponds to only a single column. This constraint applies
     * in addition to any constraint entailed by primary key mapping and
     * to constraints specified at the table level.
     */
    boolean unique = false;

    /**
     * (Optional) Whether the database column is nullable.
     */
    boolean nullable = true;

    /**
     * (Optional) Whether the column is included in SQL INSERT
     * statements generated by the persistence provider.
     */
    boolean insertable = true;

    /**
     * (Optional) Whether the column is included in SQL UPDATE
     * statements generated by the persistence provider.
     */
    boolean updatable = true;

    /**
     * (Optional) The SQL fragment that is used when
     * generating the DDL for the column.
     *  Defaults to the generated SQL to create a
     * column of the inferred type.
     */
    String columnDefinition = "";

    /**
     * field comment
     */
    String comment;

    /**
     * (Optional) The name of the table that contains the column.
     * If absent the column is assumed to be in the primary table.
     */
    String table = "";

    /**
     * (Optional) The column length. (Applies only if a
     * string-valued column is used.)
     */
    int length = 255;

    /**
     * (Optional) The precision for a decimal (exact numeric)
     * column. (Applies only if a decimal column is used.)
     * Value must be set by developer if used when generating
     * the DDL for the column.
     */
    int precision = 0;

    /**
     * (Optional) The scale for a decimal (exact numeric) column.
     * (Applies only if a decimal column is used.)
     */
    int scale = 0;

    public ColumnDef() {
    }

    public ColumnDef(Column c) {
        this.name = c.name();
        this.unique = c.unique();
        this.nullable = c.nullable();
        this.insertable = c.insertable();
        this.updatable = c.updatable();
        this.columnDefinition = c.columnDefinition();
        this.table = c.table();
        this.length = c.length();
        this.precision = c.precision();
        this.scale = c.scale();
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public boolean isUnique() {
        return unique;
    }

    public void setUnique(boolean unique) {
        this.unique = unique;
    }

    public boolean isNullable() {
        return nullable;
    }

    public void setNullable(boolean nullable) {
        this.nullable = nullable;
    }

    public boolean isInsertable() {
        return insertable;
    }

    public void setInsertable(boolean insertable) {
        this.insertable = insertable;
    }

    public boolean isUpdatable() {
        return updatable;
    }

    public void setUpdatable(boolean updatable) {
        this.updatable = updatable;
    }

    public String getColumnDefinition() {
        return columnDefinition;
    }

    public void setColumnDefinition(String columnDefinition) {
        this.columnDefinition = columnDefinition;
    }

    public String getTable() {
        return table;
    }

    public void setTable(String table) {
        this.table = table;
    }

    public int getLength() {
        return length;
    }

    public void setLength(int length) {
        this.length = length;
    }

    public int getPrecision() {
        return precision;
    }

    public void setPrecision(int precision) {
        this.precision = precision;
    }

    public int getScale() {
        return scale;
    }

    public void setScale(int scale) {
        this.scale = scale;
    }

    public String getComment() {
        return comment;
    }

    public void setComment(String comment) {
        this.comment = comment;
    }
}