com.holonplatform.datastore.jdbc.composer.internal

Class DefaultSQLStatementCompositionContext

java.lang.Object

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

com.holonplatform.datastore.jdbc.composer.internal.DefaultSQLStatementCompositionContext

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, SQLStatementCompositionContext

public class DefaultSQLStatementCompositionContext
extends DefaultSQLCompositionContext
implements SQLStatementCompositionContext

Default SQLStatementCompositionContext implementation.

Since:

5.1.0

Nested Class Summary

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

SQLStatementCompositionContext.AliasMode

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

SQLCompositionContext.SQLStatementPreparationException

Constructor Summary

Constructors

Constructor and Description
DefaultSQLStatementCompositionContext(SQLCompositionContext parent, com.holonplatform.core.datastore.relational.RelationalTarget<?> rootTarget, SQLStatementCompositionContext.AliasMode aliasMode) Constructor with parent composition context.
DefaultSQLStatementCompositionContext(SQLContext context, com.holonplatform.core.datastore.relational.RelationalTarget<?> rootTarget, SQLStatementCompositionContext.AliasMode aliasMode) Constructor.

Method Summary

Modifier and Type	Method and Description
Optional<String>	getAlias(com.holonplatform.core.Path<?> path, boolean useParentContext) Get the given path alias, if available and alias mode is not SQLStatementCompositionContext.AliasMode.UNSUPPORTED.
Optional<String>	getRootAlias() Get the query root path (target) alias, if available and alias mode is not SQLStatementCompositionContext.AliasMode.UNSUPPORTED.

Methods inherited from class com.holonplatform.datastore.jdbc.composer.internal.DefaultSQLCompositionContext

addExpressionResolver, childContext, getDialect, getExpressionResolvers, getNamedParametersHandler, getParent, getValueDeserializer, getValueSerializer, prepareStatement, removeExpressionResolver, resolve, trace

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.SQLStatementCompositionContext

asChild, create, getAliasOrRoot

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

addNamedParameter, childContext, create, getContextSequence, getNamedParametersHandler, getParent, isSQLCompositionContext, isStatementCompositionContext, prepareStatement, resolve, resolveOrFail

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

getDialect, getTypeConverter, getValueDeserializer, getValueSerializer, trace

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

resolve

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

getExpressionResolvers

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

addExpressionResolver, addExpressionResolvers, removeExpressionResolver

Constructor Detail

DefaultSQLStatementCompositionContext

public DefaultSQLStatementCompositionContext(SQLContext context,
                                             com.holonplatform.core.datastore.relational.RelationalTarget<?> rootTarget,
                                             SQLStatementCompositionContext.AliasMode aliasMode)

Constructor.

Parameters:

context - SQL context (not null)

rootTarget - Root query target (not null)

aliasMode - Alias handling mode (not null)

DefaultSQLStatementCompositionContext

public DefaultSQLStatementCompositionContext(SQLCompositionContext parent,
                                             com.holonplatform.core.datastore.relational.RelationalTarget<?> rootTarget,
                                             SQLStatementCompositionContext.AliasMode aliasMode)

Constructor with parent composition context.

Parameters:

parent - Parent composition context (not null)

rootTarget - Root query target (not null)

aliasMode - Alias handling mode (not null)

Method Detail

getRootAlias

public Optional<String> getRootAlias()

Description copied from interface: SQLStatementCompositionContext

Get the query root path (target) alias, if available and alias mode is not SQLStatementCompositionContext.AliasMode.UNSUPPORTED.

The alias will be the explicit alias name if the root path is Aliasable, or an auto generated name if alias mode is SQLStatementCompositionContext.AliasMode.AUTO.

Specified by:

getRootAlias in interface SQLStatementCompositionContext

Returns:

the query root path alias, empty if not available

getAlias

public Optional<String> getAlias(com.holonplatform.core.Path<?> path,
                                 boolean useParentContext)

Description copied from interface: SQLStatementCompositionContext

Get the given path alias, if available and alias mode is not SQLStatementCompositionContext.AliasMode.UNSUPPORTED.

The alias will be the explicit alias name if the path is Aliasable, or an auto generated name if alias mode is SQLStatementCompositionContext.AliasMode.AUTO.

Specified by:

getAlias in interface SQLStatementCompositionContext

Parameters:

path - Path for which to get the alias (not null)

useParentContext - Whether to check in parent contexts if an alias is available when not available is current context

Returns:

the path alias, empty if not available