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The following commit(s) were added to refs/heads/master by this push:
new bb62929 Polished
bb62929 is described below
commit bb629296bdc8fb86441ed7848df8b445c7a9d1b6
Author: Claus Ibsen <[email protected]>
AuthorDate: Tue Mar 6 14:24:52 2018 +0100
Polished
---
camel-core/src/main/docs/constant-language.adoc | 11 ++++++++---
.../main/java/org/apache/camel/builder/ExpressionClause.java | 5 ++++-
.../org/apache/camel/builder/ExpressionClauseSupport.java | 5 ++++-
.../org/apache/camel/model/language/ConstantExpression.java | 3 +++
4 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/camel-core/src/main/docs/constant-language.adoc
b/camel-core/src/main/docs/constant-language.adoc
index 6bb2f44..cbb7e82 100644
--- a/camel-core/src/main/docs/constant-language.adoc
+++ b/camel-core/src/main/docs/constant-language.adoc
@@ -6,6 +6,9 @@
The Constant Expression Language is really just a way to specify
constant strings as a type of expression.
+NOTE: This is a fixed constant value that is only set once during starting up
the route,
+ do not use this if you want dynamic values during routing.
+
=== Constant Options
@@ -32,9 +35,9 @@ expression like:
<route>
<from uri="seda:a"/>
<setHeader headerName="theHeader">
- <constant>the value</constant>
+ <constant>the value</constant>
</setHeader>
- <to uri="mock:b"/>
+ <to uri="mock:b"/>
</route>
----
@@ -46,7 +49,9 @@ And the same example using Java DSL:
[source,java]
----
-from("seda:a").setHeader("theHeader", constant("the value")).to("mock:b");
+from("seda:a")
+ .setHeader("theHeader", constant("the value"))
+ .to("mock:b");
----
=== Dependencies
diff --git
a/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
b/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
index 16714d4..52af129 100644
--- a/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
+++ b/camel-core/src/main/java/org/apache/camel/builder/ExpressionClause.java
@@ -59,7 +59,10 @@ public class ExpressionClause<T> extends
ExpressionDefinition {
}
/**
- * Specify the constant expression value
+ * Specify the constant expression value.
+ *
+ * <b>Important:</b> this is a fixed constant value that is only set once
during starting up the route,
+ * do not use this if you want dynamic values during routing.
*/
public T constant(Object value) {
return delegate.constant(value);
diff --git
a/camel-core/src/main/java/org/apache/camel/builder/ExpressionClauseSupport.java
b/camel-core/src/main/java/org/apache/camel/builder/ExpressionClauseSupport.java
index 91b2d3f..e732c3c 100644
---
a/camel-core/src/main/java/org/apache/camel/builder/ExpressionClauseSupport.java
+++
b/camel-core/src/main/java/org/apache/camel/builder/ExpressionClauseSupport.java
@@ -79,7 +79,10 @@ public class ExpressionClauseSupport<T> {
}
/**
- * Specify the constant expression value
+ * Specify the constant expression value.
+ *
+ * <b>Important:</b> this is a fixed constant value that is only set once
during starting up the route,
+ * do not use this if you want dynamic values during routing.
*/
public T constant(Object value) {
if (value instanceof String) {
diff --git
a/camel-core/src/main/java/org/apache/camel/model/language/ConstantExpression.java
b/camel-core/src/main/java/org/apache/camel/model/language/ConstantExpression.java
index 76749db..4390a0c 100644
---
a/camel-core/src/main/java/org/apache/camel/model/language/ConstantExpression.java
+++
b/camel-core/src/main/java/org/apache/camel/model/language/ConstantExpression.java
@@ -24,6 +24,9 @@ import org.apache.camel.spi.Metadata;
/**
* To use a constant value in Camel expressions or predicates.
+ *
+ * <b>Important:</b> this is a fixed constant value that is only set once
during starting up the route,
+ * do not use this if you want dynamic values during routing.
*/
@Metadata(firstVersion = "1.5.0", label = "language,core", title = "Constant")
@XmlRootElement(name = "constant")
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