Domain.java #1

/**
 * 
 */
package journal.schema;

import journal.action.sql.SupportedDatabase;
import journal.reader.Token;
import java.sql.Timestamp;
import java.sql.Types;

public enum Domain {
	INT(Number.class, Types.INTEGER, "INTEGER", 10) { 
		public Integer parse(Token token) { 
			return Integer.decode(token.getValue()); 
		}
		
		public String toJournalFormat(Object o) {
			return o.toString();
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "INTEGER");
			SupportedDatabase.SQLite.defineMapping(this, "INTEGER");
            SupportedDatabase.Oracle.defineMapping(this, "NUMBER(10)");
            SupportedDatabase.PostgreSQL.defineMapping(this, "INTEGER");
			
		}
	},
	KEY(String.class, Types.VARCHAR, "VARCHAR(750)", 1024) { 
		public String parse(Token token) { 
			return token.getValue(); 
		}
		
		public String toJournalFormat(Object o) {
			StringBuffer buf = new StringBuffer();
			buf.append("@");
			buf.append(o.toString().replaceAll("@", "@@"));
			buf.append("@");
			
			return buf.toString();
		}

		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "VARCHAR(400) BINARY");
			SupportedDatabase.SQLite.defineMapping(this, "VARCHAR(1024)");
            SupportedDatabase.Oracle.defineMapping(this, "VARCHAR2(1024)");
            SupportedDatabase.PostgreSQL.defineMapping(this, "VARCHAR(1024)");
			
		}
	},
	TEXT(String.class, Types.LONGVARCHAR, "TEXT", 65536)  { 
		public String parse(Token token) { 
			return token.getValue(); 
		}

		public String toJournalFormat(Object o) {
			StringBuffer buf = new StringBuffer();
			buf.append("@");
			buf.append(o.toString().replaceAll("@", "@@"));
			buf.append("@");
			
			return buf.toString();
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "TEXT");
			SupportedDatabase.SQLite.defineMapping(this, "TEXT");
			SupportedDatabase.Oracle.defineMapping(this, "CLOB");
            SupportedDatabase.PostgreSQL.defineMapping(this, "TEXT");
			
		}
	},
	OCTET(String.class, Types.CHAR, "CHAR(32)", 32)  { 
		public String parse(Token token) { 
			return token.getValue(); 
		}

		public String toJournalFormat(Object o) {
			return o.toString();
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "CHAR(32)");
			SupportedDatabase.SQLite.defineMapping(this, "CHAR(32)");
			SupportedDatabase.Oracle.defineMapping(this, "CHAR(32)");
            SupportedDatabase.PostgreSQL.defineMapping(this, "CHAR(32)");
			
		}
	},
	OCTETS(String.class, Types.LONGVARCHAR, "TEXT", 65535)  {
		public String parse(Token token) { 
			return token.getValue(); 
		}

		public String toJournalFormat(Object o) {
			return o.toString();
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "TEXT");
			SupportedDatabase.SQLite.defineMapping(this, "TEXT");
			SupportedDatabase.Oracle.defineMapping(this, "CLOB");
            SupportedDatabase.PostgreSQL.defineMapping(this, "TEXT");
			
		}
	},
	DATE(java.sql.Timestamp.class, Types.TIMESTAMP, "DATETIME", 0) { 
		public java.util.Date parse(Token token) { 
			return new Timestamp(Long.parseLong(token.getValue()) * 1000); 
		}

		public String toJournalFormat(Object o) {
			Timestamp t = (Timestamp) o;
			return Long.toString(t.getTime()/1000);
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "DATETIME");
			SupportedDatabase.SQLite.defineMapping(this, "DATETIME");
            SupportedDatabase.Oracle.defineMapping(this, "TIMESTAMP");
            SupportedDatabase.PostgreSQL.defineMapping(this, "TIMESTAMP");
			
		}
	},
	INT8(Number.class, Types.TINYINT, "INTEGER", 3) { 
		public Short parse(Token token) {
			return Short.decode(token.getValue()); 
		}

		public String toJournalFormat(Object o) {
			return o.toString();
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "SMALLINT");
			SupportedDatabase.SQLite.defineMapping(this, "INTEGER");
			SupportedDatabase.Oracle.defineMapping(this, "NUMBER(3)");
            SupportedDatabase.PostgreSQL.defineMapping(this, "SMALLINT");
			
		}
	},
	INT64(Number.class, Types.BIGINT, "BIGINT", 19) { 
		public Long parse(Token token) { 
			return Long.decode(token.getValue()); 
		}

		public String toJournalFormat(Object o) {
			return o.toString();
		}
		
		protected void initialize() {
			SupportedDatabase.MySQL.defineMapping(this, "BIGINT");
			SupportedDatabase.SQLite.defineMapping(this, "BIGINT");
            SupportedDatabase.Oracle.defineMapping(this, "NUMBER(20)");
            SupportedDatabase.PostgreSQL.defineMapping(this, "BIGINT");
			
		}
	};
	
	final Class<?> sqlType;
	final String jdbcTypeName;
	final int jdbcType;
	final long targetPrecision;
	
	Domain(Class<?> sqlType, int jdbcType, String jdbcTypeName, long targetPrecision) {
		this.sqlType = sqlType;
		this.jdbcType = jdbcType;
		this.jdbcTypeName = jdbcTypeName;
		this.targetPrecision = targetPrecision;
		
		initialize();
	}
	
	protected abstract void initialize();
	
	public Class<?> getSqlType() {
		return sqlType;
	}
	
	public String getJdbcTypeName() {
		return jdbcTypeName;
	}
	
	public int getJdbcType() {
		return jdbcType;
	}
	
	public long getTargetPrecision() {
		return targetPrecision;
	}
	
	abstract public Comparable<? extends Object> parse(Token token);
	
	abstract public String toJournalFormat(Object o);
}