org.mule.runtime.module.extension.internal.runtime.resolver

Class ResolverUtils

java.lang.Object

org.mule.runtime.module.extension.internal.runtime.resolver.ResolverUtils

public class ResolverUtils
extends Object

Utility class to share common behaviour between resolvers

Since:

4.0

Method Summary

Modifier and Type	Method and Description
static ValueResolver<?>	getExpressionBasedValueResolver(String expression, org.mule.metadata.api.model.MetadataType metadataType, MuleContext muleContext)
static Object	resolveCursor(Object value) Obtains a Cursor based on the value, if one is available.
static org.mule.runtime.api.metadata.TypedValue<?>	resolveCursor(org.mule.runtime.api.metadata.TypedValue<?> typedValue) Obtains a TypedValue of Cursor based on the given typedValue, if one is available.
static Object	resolveCursorAsUnclosable(Object value) Obtains a Cursor based on the value, if one is available.
static org.mule.runtime.api.metadata.TypedValue<?>	resolveCursorAsUnclosable(org.mule.runtime.api.metadata.TypedValue<?> typedValue) Obtains a TypedValue of Cursor based on the given typedValue, if one is available.
static <T> T	resolveRecursively(ValueResolver<T> valueResolver, ValueResolvingContext resolvingContext)
static <T> T	resolveValue(ValueResolver<T> resolver, ValueResolvingContext context) Executes the resolver using the given context, applying all the required resolution rules that may apply for the given T type.
static Object	typedValueAsUnclosable(Object value) If the value given is a CursorStream or a TypedValue of a CursorStream, it will be wrapped inside UnclosableCursorStream.
static org.mule.runtime.api.metadata.TypedValue<?>	typedValueAsUnclosable(org.mule.runtime.api.metadata.TypedValue<?> typedValue) If the value of the given TypedValue is a CursorStream, it will be wrapped inside UnclosableCursorStream.

Methods inherited from class java.lang.Object

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

Method Detail

getExpressionBasedValueResolver

public static ValueResolver<?> getExpressionBasedValueResolver(String expression,
                                                               org.mule.metadata.api.model.MetadataType metadataType,
                                                               MuleContext muleContext)

resolveRecursively

public static <T> T resolveRecursively(ValueResolver<T> valueResolver,
                                       ValueResolvingContext resolvingContext)
                                throws org.mule.runtime.api.exception.MuleException

Throws:

org.mule.runtime.api.exception.MuleException

resolveValue

public static <T> T resolveValue(ValueResolver<T> resolver,
                                 ValueResolvingContext context)
                          throws org.mule.runtime.api.exception.MuleException

Executes the resolver using the given context, applying all the required resolution rules that may apply for the given T type.

Parameters:

resolver - the ValueResolver to execute

context - the ValueResolvingContext to pass on the resolver

Returns:

the resolved value

Throws:

org.mule.runtime.api.exception.MuleException

resolveCursor

public static Object resolveCursor(Object value)

Obtains a Cursor based on the value, if one is available.

Returns:

the given value but converting a CursorProvider to a Cursor if any is present.

resolveCursor

public static org.mule.runtime.api.metadata.TypedValue<?> resolveCursor(org.mule.runtime.api.metadata.TypedValue<?> typedValue)

Obtains a TypedValue of Cursor based on the given typedValue, if one is available.

Returns:

the given typedValue but converting a CursorProvider to a Cursor if any is present.

resolveCursorAsUnclosable

public static Object resolveCursorAsUnclosable(Object value)

Obtains a Cursor based on the value, if one is available. Additionally, if the resulting cursor is a CursorStream, it would be wrapped inside UnclosableCursorStream. For performance reasons, we want to avoid receiving the decorator as a parameter.

Returns:

the given value but converting a CursorProvider to a Cursor if any is present.

resolveCursorAsUnclosable

public static org.mule.runtime.api.metadata.TypedValue<?> resolveCursorAsUnclosable(org.mule.runtime.api.metadata.TypedValue<?> typedValue)

Obtains a TypedValue of Cursor based on the given typedValue, if one is available. Additionally, if the resulting cursor is a CursorStream, it will be wrapped inside UnclosableCursorStream. For performance reasons, we want to avoid receiving the decorator as a parameter.

Returns:

the given typedValue but converting a CursorProvider to a Cursor if any is present.

typedValueAsUnclosable

public static Object typedValueAsUnclosable(Object value)

If the value given is a CursorStream or a TypedValue of a CursorStream, it will be wrapped inside UnclosableCursorStream.

Returns:

A decorated value (or typed value), or the same instance if no change was needed.

typedValueAsUnclosable

public static org.mule.runtime.api.metadata.TypedValue<?> typedValueAsUnclosable(org.mule.runtime.api.metadata.TypedValue<?> typedValue)

If the value of the given TypedValue is a CursorStream, it will be wrapped inside UnclosableCursorStream.

Returns:

A decorated typed value, or the same instance if no change was needed.