Package org.apache.velocity.example
Class DBContext
- java.lang.Object
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- org.apache.velocity.context.AbstractContext
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- org.apache.velocity.example.DBContext
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- All Implemented Interfaces:
org.apache.velocity.context.Context
,org.apache.velocity.context.InternalEventContext
public class DBContext extends org.apache.velocity.context.AbstractContext
Example context impl that uses a database to store stuff :) yes, this is silly expects a mysql db test with table CREATE TABLE contextstore ( k varchar(100), val blob ); very fragile, crappy code.... just a demo!- Version:
- $Id$
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Field Summary
Fields Modifier and Type Field Description (package private) java.sql.Connection
conn
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description org.apache.velocity.app.event.EventCartridge
attachEventCartridge(org.apache.velocity.app.event.EventCartridge arg0)
int
getCurrentMacroCallDepth()
java.lang.String
getCurrentMacroName()
org.apache.velocity.runtime.resource.Resource
getCurrentResource()
java.lang.String
getCurrentTemplateName()
org.apache.velocity.app.event.EventCartridge
getEventCartridge()
java.util.List<org.apache.velocity.Template>
getMacroLibraries()
java.lang.String[]
getMacroNameStack()
java.lang.String[]
getTemplateNameStack()
org.apache.velocity.util.introspection.IntrospectionCacheData
icacheGet(java.lang.Object arg0)
void
icachePut(java.lang.Object arg0, org.apache.velocity.util.introspection.IntrospectionCacheData arg1)
boolean
internalContainsKey(java.lang.String key)
Not implementing.java.lang.Object
internalGet(java.lang.String key)
retrieves a serialized object from the db and returns the living instance to the caller.java.lang.String[]
internalGetKeys()
Not implementing.java.lang.Object
internalPut(java.lang.String key, java.lang.Object value)
Serializes and stores an object in the database.java.lang.Object
internalRemove(java.lang.String key)
Not implementing.void
popCurrentMacroName()
void
popCurrentTemplateName()
void
pushCurrentMacroName(java.lang.String arg0)
void
pushCurrentTemplateName(java.lang.String arg0)
void
setCurrentResource(org.apache.velocity.runtime.resource.Resource arg0)
void
setMacroLibraries(java.util.List<org.apache.velocity.Template> arg0)
private void
setup()
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Method Detail
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internalGet
public java.lang.Object internalGet(java.lang.String key)
retrieves a serialized object from the db and returns the living instance to the caller.- Specified by:
internalGet
in classorg.apache.velocity.context.AbstractContext
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internalPut
public java.lang.Object internalPut(java.lang.String key, java.lang.Object value)
Serializes and stores an object in the database. This is really a hokey way to do it, and will cause problems. The right way is to use a prepared statement...- Specified by:
internalPut
in classorg.apache.velocity.context.AbstractContext
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internalContainsKey
public boolean internalContainsKey(java.lang.String key)
Not implementing. Not required for Velocity core operation, so not bothering. As we say above : "very fragile, crappy code..."- Specified by:
internalContainsKey
in classorg.apache.velocity.context.AbstractContext
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internalGetKeys
public java.lang.String[] internalGetKeys()
Not implementing. Not required for Velocity core operation, so not bothering. As we say above : "very fragile, crappy code..."- Specified by:
internalGetKeys
in classorg.apache.velocity.context.AbstractContext
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internalRemove
public java.lang.Object internalRemove(java.lang.String key)
Not implementing. Not required for Velocity core operation, so not bothering. As we say above : "very fragile, crappy code..."- Specified by:
internalRemove
in classorg.apache.velocity.context.AbstractContext
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setup
private void setup()
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pushCurrentTemplateName
public void pushCurrentTemplateName(java.lang.String arg0)
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popCurrentTemplateName
public void popCurrentTemplateName()
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getCurrentTemplateName
public java.lang.String getCurrentTemplateName()
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getTemplateNameStack
public java.lang.String[] getTemplateNameStack()
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pushCurrentMacroName
public void pushCurrentMacroName(java.lang.String arg0)
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popCurrentMacroName
public void popCurrentMacroName()
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getCurrentMacroName
public java.lang.String getCurrentMacroName()
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getCurrentMacroCallDepth
public int getCurrentMacroCallDepth()
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getMacroNameStack
public java.lang.String[] getMacroNameStack()
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icacheGet
public org.apache.velocity.util.introspection.IntrospectionCacheData icacheGet(java.lang.Object arg0)
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icachePut
public void icachePut(java.lang.Object arg0, org.apache.velocity.util.introspection.IntrospectionCacheData arg1)
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setCurrentResource
public void setCurrentResource(org.apache.velocity.runtime.resource.Resource arg0)
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getCurrentResource
public org.apache.velocity.runtime.resource.Resource getCurrentResource()
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setMacroLibraries
public void setMacroLibraries(java.util.List<org.apache.velocity.Template> arg0)
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getMacroLibraries
public java.util.List<org.apache.velocity.Template> getMacroLibraries()
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attachEventCartridge
public org.apache.velocity.app.event.EventCartridge attachEventCartridge(org.apache.velocity.app.event.EventCartridge arg0)
- Specified by:
attachEventCartridge
in interfaceorg.apache.velocity.context.InternalEventContext
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getEventCartridge
public org.apache.velocity.app.event.EventCartridge getEventCartridge()
- Specified by:
getEventCartridge
in interfaceorg.apache.velocity.context.InternalEventContext
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