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CollectionFilterKeyParameterSpecification (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.param
Class CollectionFilterKeyParameterSpecification

java.lang.Object
  org.hibernate.param.CollectionFilterKeyParameterSpecification

All Implemented Interfaces:

ParameterSpecification

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public class CollectionFilterKeyParameterSpecification

extends Object

implements ParameterSpecification

A specialized ParameterSpecification impl for dealing with a collection-key as part of a collection filter compilation.

Author:

Steve Ebersole

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Constructor Summary

CollectionFilterKeyParameterSpecification(String collectionRole, Type keyType, int queryParameterPosition)           Creates a specialized collection-filter collection-key parameter spec.

 

Method Summary
int	bind(PreparedStatement statement, QueryParameters qp, SessionImplementor session, int position)           Bind the appropriate value into the given statement at the specified position.
Type	getExpectedType()           Get the type which we are expeting for a bind into this parameter based on translated contextual information.
String	renderDisplayInfo()           Render this parameter into displayable info (for logging, etc).
void	setExpectedType(Type expectedType)           Injects the expected type.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

CollectionFilterKeyParameterSpecification

public CollectionFilterKeyParameterSpecification(String collectionRole,
                                                 Type keyType,
                                                 int queryParameterPosition)

Creates a specialized collection-filter collection-key parameter spec.

Parameters:

collectionRole - The collection role being filtered.

keyType - The mapped collection-key type.

queryParameterPosition - The position within QueryParameters where we can find the appropriate param value to bind.

Method Detail

bind

public int bind(PreparedStatement statement,
                QueryParameters qp,
                SessionImplementor session,
                int position)
         throws SQLException

Description copied from interface: ParameterSpecification

Bind the appropriate value into the given statement at the specified position.

Specified by:

bind in interface ParameterSpecification

Parameters:

statement - The statement into which the value should be bound.

qp - The defined values for the current query execution.

session - The session against which the current execution is occuring.

position - The position from which to start binding value(s).

Returns:

The number of sql bind positions "eaten" by this bind operation.

Throws:

SQLException - Indicates problems performing the JDBC biind operation.

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getExpectedType

public Type getExpectedType()

Description copied from interface: ParameterSpecification

Get the type which we are expeting for a bind into this parameter based on translated contextual information.

Specified by:

getExpectedType in interface ParameterSpecification

Returns:

The expected type.

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setExpectedType

public void setExpectedType(Type expectedType)

Description copied from interface: ParameterSpecification

Injects the expected type. Called during translation.

Specified by:

setExpectedType in interface ParameterSpecification

Parameters:

expectedType - The type to expect.

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renderDisplayInfo

public String renderDisplayInfo()

Description copied from interface: ParameterSpecification

Render this parameter into displayable info (for logging, etc).

Specified by:

renderDisplayInfo in interface ParameterSpecification

Returns:

The displayable info.

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