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[#1327] Add DataType.isLob()

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This commit is contained in:
Lukas Eder 2012-04-19 17:47:28 +00:00
parent 64c60a549a
commit f1add09448
2 changed files with 40 additions and 12 deletions
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42
jOOQ/src/main/java/org/jooq/DataType.java
View File

@ -162,8 +162,9 @@ public interface DataType<T> extends Serializable {
T convert(Object object);
/**
* Whether this data type is any numeric data type. This applies to any of
* these types:
* Whether this data type is any numeric data type.
* <p>
* This applies to any of these types:
* <ul>
* <li> {@link SQLDataType#TINYINT}</li>
* <li> {@link SQLDataType#SMALLINT}</li>
@ -180,8 +181,9 @@ public interface DataType<T> extends Serializable {
boolean isNumeric();
/**
* Whether this data type is any character data type. This applies to any of
* these types:
* Whether this data type is any character data type.
* <p>
* This applies to any of these types:
* <ul>
* <li> {@link SQLDataType#CHAR}</li>
* <li> {@link SQLDataType#CLOB}</li>
@ -196,8 +198,9 @@ public interface DataType<T> extends Serializable {
boolean isString();
/**
* Whether this data type is any date or time type. This applies to any of
* these types.
* Whether this data type is any date or time type.
* <p>
* This applies to any of these types.
* <ul>
* <li> {@link SQLDataType#DATE}</li>
* <li> {@link SQLDataType#TIME}</li>
@ -207,8 +210,9 @@ public interface DataType<T> extends Serializable {
boolean isDateTime();
/**
* Whether this data type is any date or time type. This applies to any of
* these types.
* Whether this data type is any date or time type.
* <p>
* This applies to any of these types.
* <ul>
* <li> {@link SQLDataType#DATE}</li>
* <li> {@link SQLDataType#TIME}</li>
@ -222,8 +226,9 @@ public interface DataType<T> extends Serializable {
boolean isTemporal();
/**
* Whether this data type is any interval type. This applies to any of
* these types.
* Whether this data type is any interval type.
* <p>
* This applies to any of these types.
* <ul>
* <li> {@link YearToMonth}</li>
* <li> {@link DayToSecond}</li>
@ -232,8 +237,9 @@ public interface DataType<T> extends Serializable {
boolean isInterval();
/**
* Whether this data type is any binary type. This applies to any of these
* types.
* Whether this data type is any binary type.
* <p>
* This applies to any of these types.
* <ul>
* <li> {@link SQLDataType#BINARY}</li>
* <li> {@link SQLDataType#BLOB}</li>
@ -243,6 +249,18 @@ public interface DataType<T> extends Serializable {
*/
boolean isBinary();
/**
* Whether this data type is best deserialised as a <code>LOB</code>.
* <p>
* This applies to any of these types.
* <ul>
* <li> {@link SQLDataType#BLOB}</li>
* <li> {@link SQLDataType#CLOB}</li>
* <li> {@link SQLDataType#NCLOB}</li>
* </ul>
*/
boolean isLob();
/**
* Whether this data type is an array type.
*/

10
jOOQ/src/main/java/org/jooq/impl/AbstractDataType.java
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@ -35,6 +35,10 @@
*/
package org.jooq.impl;
import static org.jooq.impl.SQLDataType.BLOB;
import static org.jooq.impl.SQLDataType.CLOB;
import static org.jooq.impl.SQLDataType.NCLOB;
import java.lang.reflect.Array;
import java.math.BigDecimal;
import java.math.BigInteger;
@ -469,6 +473,12 @@ public abstract class AbstractDataType<T> implements DataType<T> {
return Interval.class.isAssignableFrom(type);
}
@Override
public final boolean isLob() {
SQLDataType<T> t = getSQLDataType();
return (t == BLOB || t == CLOB || t == NCLOB);
}
@Override
public final boolean isBinary() {
return type == byte[].class;