com.holonplatform.datastore.jdbc.composer.internal

Class DefaultSQLCompositionContext

java.lang.Object

com.holonplatform.datastore.jdbc.composer.internal.DefaultSQLCompositionContext

All Implemented Interfaces:

com.holonplatform.core.ExpressionResolver.ExpressionResolverHandler, com.holonplatform.core.ExpressionResolver.ExpressionResolverProvider, com.holonplatform.core.ExpressionResolver.ExpressionResolverSupport, com.holonplatform.core.ExpressionResolver.ResolutionContext, SQLCompositionContext, SQLContext

Direct Known Subclasses:

DefaultSQLStatementCompositionContext

public class DefaultSQLCompositionContext
extends Object
implements SQLCompositionContext

Default SQLCompositionContext implementation.

Since:

5.1.0

Nested Class Summary

Nested classes/interfaces inherited from interface com.holonplatform.datastore.jdbc.composer.SQLCompositionContext

SQLCompositionContext.SQLStatementPreparationException

Constructor Summary

Constructors

Constructor and Description
DefaultSQLCompositionContext(SQLCompositionContext parent) Constructor with parent composition context.
DefaultSQLCompositionContext(SQLContext context) Default constructor.

Method Summary

Modifier and Type	Method and Description
<E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression> void	addExpressionResolver(com.holonplatform.core.ExpressionResolver<E,R> expressionResolver)
SQLCompositionContext	childContext() Create a new SQLCompositionContext as child of this context.
SQLDialect	getDialect() Get the SQLDialect to use.
Iterable<com.holonplatform.core.ExpressionResolver>	getExpressionResolvers()
SQLContextParametersHandler	getNamedParametersHandler() Get the SQL named parameters handler.
Optional<SQLCompositionContext>	getParent() Get the parent context, if available.
SQLValueDeserializer	getValueDeserializer() Get the SQLValueDeserializer of this context.
SQLValueSerializer	getValueSerializer() Get the SQLValueSerializer of this context.
SQLStatement	prepareStatement(String sql) Prepare given SQL statement, replacing named parameters with the default ?
<E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression> void	removeExpressionResolver(com.holonplatform.core.ExpressionResolver<E,R> expressionResolver)
<E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression> Optional<R>	resolve(E expression, Class<R> resolutionType, com.holonplatform.core.ExpressionResolver.ResolutionContext context)
void	trace(String sql) Trace given SQL statement.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.holonplatform.datastore.jdbc.composer.SQLCompositionContext

addNamedParameter, create, getContextSequence, isSQLCompositionContext, isStatementCompositionContext, resolve, resolveOrFail

Methods inherited from interface com.holonplatform.datastore.jdbc.composer.SQLContext

getTypeConverter

Methods inherited from interface com.holonplatform.core.ExpressionResolver.ExpressionResolverSupport

addExpressionResolvers

Constructor Detail

DefaultSQLCompositionContext

public DefaultSQLCompositionContext(SQLContext context)

Default constructor.

Parameters:

context - SQL context (not null)

DefaultSQLCompositionContext

public DefaultSQLCompositionContext(SQLCompositionContext parent)

Constructor with parent composition context.

Parameters:

parent - Parent context (not null)

Method Detail

getParent

public Optional<SQLCompositionContext> getParent()

Description copied from interface: SQLCompositionContext

Get the parent context, if available.

Specified by:

getParent in interface SQLCompositionContext

Returns:

Optional parent context

getDialect

public SQLDialect getDialect()

Description copied from interface: SQLContext

Get the SQLDialect to use.

Specified by:

getDialect in interface SQLContext

Returns:

The SQL dialect

getValueSerializer

public SQLValueSerializer getValueSerializer()

Description copied from interface: SQLContext

Get the SQLValueSerializer of this context.

Specified by:

getValueSerializer in interface SQLContext

Returns:

The SQLValueSerializer

getValueDeserializer

public SQLValueDeserializer getValueDeserializer()

Description copied from interface: SQLContext

Get the SQLValueDeserializer of this context.

Specified by:

getValueDeserializer in interface SQLContext

Returns:

the SQLValueDeserializer

trace

public void trace(String sql)

Description copied from interface: SQLContext

Trace given SQL statement.

If tracing is enabled, the SQL statement is logged using the INFO level, otherwise it is logged using the DEBUG level.

Specified by:

trace in interface SQLContext

Parameters:

sql - SQL to trace

getNamedParametersHandler

public SQLContextParametersHandler getNamedParametersHandler()

Description copied from interface: SQLCompositionContext

Get the SQL named parameters handler.

Specified by:

getNamedParametersHandler in interface SQLCompositionContext

Returns:

the SQL named parameters handler

prepareStatement

public SQLStatement prepareStatement(String sql)

Description copied from interface: SQLCompositionContext

Prepare given SQL statement, replacing named parameters with the default ? parameter placeholder.

Specified by:

prepareStatement in interface SQLCompositionContext

Parameters:

sql - The SQL statement to prepare (not null)

Returns:

An SQLStatement which provides the prepared SQL and the statement parameter definition in the right order according to the parameters placeholder index

childContext

public SQLCompositionContext childContext()

Description copied from interface: SQLCompositionContext

Create a new SQLCompositionContext as child of this context. This context will be setted as parent of the new context.

Specified by:

childContext in interface SQLCompositionContext

Returns:

A new SQLCompositionContext with this context as parent

getExpressionResolvers

public Iterable<com.holonplatform.core.ExpressionResolver> getExpressionResolvers()

Specified by:

getExpressionResolvers in interface com.holonplatform.core.ExpressionResolver.ExpressionResolverProvider

resolve

public <E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression> Optional<R> resolve(E expression,
                                                                                                                     Class<R> resolutionType,
                                                                                                                     com.holonplatform.core.ExpressionResolver.ResolutionContext context)
                                                                                                              throws com.holonplatform.core.Expression.InvalidExpressionException

Specified by:

resolve in interface com.holonplatform.core.ExpressionResolver.ExpressionResolverHandler

Throws:

com.holonplatform.core.Expression.InvalidExpressionException

addExpressionResolver

public <E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression> void addExpressionResolver(com.holonplatform.core.ExpressionResolver<E,R> expressionResolver)

Specified by:

addExpressionResolver in interface com.holonplatform.core.ExpressionResolver.ExpressionResolverSupport

removeExpressionResolver

public <E extends com.holonplatform.core.Expression,R extends com.holonplatform.core.Expression> void removeExpressionResolver(com.holonplatform.core.ExpressionResolver<E,R> expressionResolver)

Specified by:

removeExpressionResolver in interface com.holonplatform.core.ExpressionResolver.ExpressionResolverSupport