From f1add0944848f9212764fa4a124c920e8779dcc6 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Thu, 19 Apr 2012 17:47:28 +0000
Subject: [PATCH] [#1327] Add DataType.isLob()

---
 jOOQ/src/main/java/org/jooq/DataType.java     | 42 +++++++++++++------
 .../java/org/jooq/impl/AbstractDataType.java  | 10 +++++
 2 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/DataType.java b/jOOQ/src/main/java/org/jooq/DataType.java
index ea61c82dd6..e04f2efebb 100644
--- a/jOOQ/src/main/java/org/jooq/DataType.java
+++ b/jOOQ/src/main/java/org/jooq/DataType.java
@@ -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.
      */
diff --git a/jOOQ/src/main/java/org/jooq/impl/AbstractDataType.java b/jOOQ/src/main/java/org/jooq/impl/AbstractDataType.java
index 6cd7a8fe80..d244c647ea 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AbstractDataType.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AbstractDataType.java
@@ -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;