Module litebridge.orm

Package org.litebridgedb.orm.api.select.model

Class ProtoExpressionResolver

java.lang.Object

org.litebridgedb.orm.api.select.model.ProtoExpressionResolver

Direct Known Subclasses:

DtoProtoExpressionResolver, SqlProtoExpressionResolver

public abstract class ProtoExpressionResolver
extends Object

Constructor Summary

Constructors

Constructor	Description
ProtoExpressionResolver()

Method Summary

Modifier and Type	Method	Description
protected abstract Column	getColumn(Resolvable resolvable)
static boolean	isSupported(Class<? extends ExpressionSpec> type)
protected Stream<ExpressionSpec>	resolveConvertSpec(ConvertSpec<?> convertSpec)
Stream<ExpressionSpec>	resolveExpression(ExpressionSpec expressionSpec)	Resolves a proto-expression into an ExpressionSpec.
Stream<ExpressionSpec>	resolveExpression(Resolvable resolvable)	Resolves a Resolvable into an ExpressionSpec.
List<ExpressionSpec>	resolveExpressions(List<ExpressionSpec> expressionSpecs)
protected abstract ColumnExpressionSpec	resolveSelectField(Resolvable resolvable)
protected abstract ColumnExpressionSpec	resolveSelectField(QueryField queryField)

Methods inherited from class java.lang.Object

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

Constructor Details

ProtoExpressionResolver

public ProtoExpressionResolver()

Method Details

resolveExpression

public Stream<ExpressionSpec> resolveExpression(ExpressionSpec expressionSpec)

Resolves a proto-expression into an ExpressionSpec.

If the input expression is not a Resolvable, it returns the expression as is.

Parameters:

expressionSpec - the proto-expression to resolve

Returns:

the resolved ExpressionSpec corresponding to the provided column

resolveExpression

public Stream<ExpressionSpec> resolveExpression(Resolvable resolvable)

Resolves a Resolvable into an ExpressionSpec.

If the input expression is not a Resolvable, it returns the expression as is.

Parameters:

resolvable - the Resolvable to resolve

Returns:

the resolved ExpressionSpec corresponding to the provided column

resolveExpressions

public List<ExpressionSpec> resolveExpressions(List<ExpressionSpec> expressionSpecs)

resolveConvertSpec

protected Stream<ExpressionSpec> resolveConvertSpec(ConvertSpec<?> convertSpec)

isSupported

public static boolean isSupported(Class<? extends ExpressionSpec> type)

resolveSelectField

protected abstract ColumnExpressionSpec resolveSelectField(Resolvable resolvable)

resolveSelectField

protected abstract ColumnExpressionSpec resolveSelectField(QueryField queryField)

getColumn

protected abstract Column getColumn(Resolvable resolvable)