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Java Source Code / Java Documentation » Library » Apache beehive 1.0.2 src » org.apache.beehive.controls.system.jdbc.parser

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.beehive.controls.system.jdbc.parser .SqlFragment

org.apache.beehive.controls.system.jdbc.parser .SqlFragmentContainer

org.apache.beehive.controls.system.jdbc.parser .SqlSubstitutionFragment

SqlSubstitutionFragment

final public class SqlSubstitutionFragment extends SqlFragmentContainer (Code)

Represents a fragement from the SQL annotation's statement member which begins with '{sql:'. Substitution fragements are unique in that they are fully evaluated BEFORE a PreparedStatement is generated.

Supported 'sql:' escapes are subst and fn. subst is the default mode, and will be used if 'sql: ' is specified. The fn variant of this construct has a very ridgid syntax at this point. It must conform to:

 {sql:fn in(x,{y})}

where the '{y}' could also be some literal term.

Constructor Summary
protected	SqlSubstitutionFragment(SqlFragment child)
protected	SqlSubstitutionFragment(LiteralFragment lf, ReflectionFragment rf, LiteralFragment lff)

Method Summary
protected Object[]	getParameterValues(ControlBeanContext context, Method m, Object[] args) Get the parameter values from this fragment and its children.
protected String	getPreparedStatementText(ControlBeanContext context, Method m, Object[] args) Return the text for a PreparedStatement from this fragment.
protected boolean	hasParamValue() Will be true for this fragment type only if one of its children contains a complex sql fragment.
protected boolean	isDynamicFragment()

Constructor Detail

SqlSubstitutionFragment
protected SqlSubstitutionFragment(SqlFragment child)(Code)
	Constructor for subst or function with no param substitution Parameters: child - An child which is contained in this fragment.

SqlSubstitutionFragment
protected SqlSubstitutionFragment(LiteralFragment lf, ReflectionFragment rf, LiteralFragment lff)(Code)
	Constructor for a function which includes a ReflectionFragment Parameters: lf - A LiteralFragment which contains the text up to the parameter substitution. Parameters: rf - The ReflectionFragment containing the parameter substitution Parameters: lff - A LiteralFragment which contains any text which occures after the parameter substitution.

Method Detail

getParameterValues
protected Object[] getParameterValues(ControlBeanContext context, Method m, Object[] args)(Code)
	Get the parameter values from this fragment and its children. An SqlSubstitutionFragment only contains parameters if one of its children has a complex value type. Parameters: context - A ControlBeanContext instance Parameters: m - The annotated method Parameters: args - The method parameters Array of objects.

getPreparedStatementText
protected String getPreparedStatementText(ControlBeanContext context, Method m, Object[] args)(Code)
	Return the text for a PreparedStatement from this fragment. This type of fragment typically evaluates any reflection parameters at this point. The exception is if the reflected result is a ComplexSqlFragment, it that case the sql text is retrieved from the fragment in this method. The parameter values are retrieved in the getParameterValues method of this class. Parameters: context - A ControlBeanContext instance Parameters: m - The annotated method Parameters: args - The method parameters A String containing the value of this fragment and its children

hasParamValue
protected boolean hasParamValue()(Code)
	Will be true for this fragment type only if one of its children contains a complex sql fragment. true if there are param values which need to be retrieved.

isDynamicFragment
protected boolean isDynamicFragment()(Code)
	Always true for this fragment type true

Fields inherited from org.apache.beehive.controls.system.jdbc.parser.SqlFragmentContainer

protected ArrayList<SqlFragment> _children(Code)(Java Doc)

Methods inherited from org.apache.beehive.controls.system.jdbc.parser.SqlFragmentContainer

void addChild(SqlFragment child)(Code)(Java Doc)
SqlFragment[] getChildren()(Code)(Java Doc)
String getPreparedStatementText(ControlBeanContext context, Method m, Object[] args)(Code)(Java Doc)
boolean hasParamValue()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from org.apache.beehive.controls.system.jdbc.parser.SqlFragment

int getParamSqlDataType()(Code)(Java Doc)
Object[] getParameterValues(ControlBeanContext context, Method method, Object[] args)(Code)(Java Doc)
abstract String getPreparedStatementText(ControlBeanContext context, Method method, Object[] args)(Code)(Java Doc)
protected boolean hasComplexValue(ControlBeanContext context, Method method, Object[] args)(Code)(Java Doc)
boolean hasParamValue()(Code)(Java Doc)
boolean isDynamicFragment()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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