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Add IContextFunction.ServiceContextKey OSGi component property type #1577

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Oct 12, 2024
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Add IContextFunction.ServiceContextKey OSGi component property type #1577

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7 changes: 7 additions & 0 deletions runtime/bundles/org.eclipse.e4.core.contexts/.settings/org.eclipse.pde.ds.annotations.prefs
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@@ -0,0 +1,7 @@
dsVersion=V1_4
eclipse.preferences.version=1
enabled=true
generateBundleActivationPolicyLazy=true
path=OSGI-INF
validationErrorLevel=error
validationErrorLevel.missingImplicitUnbindMethod=error
2 changes: 1 addition & 1 deletion runtime/bundles/org.eclipse.e4.core.contexts/META-INF/MANIFEST.MF
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@@ -1,7 +1,7 @@
Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-SymbolicName: org.eclipse.e4.core.contexts
Bundle-Version: 1.12.600.qualifier
Bundle-Version: 1.13.0.qualifier
Bundle-Name: %pluginName
Bundle-Vendor: %providerName
Bundle-Localization: plugin
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20 changes: 19 additions & 1 deletion ...ndles/org.eclipse.e4.core.contexts/src/org/eclipse/e4/core/contexts/IContextFunction.java
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@@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2009, 2013 IBM Corporation and others.
* Copyright (c) 2009, 2024 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
Expand All @@ -10,11 +10,15 @@
*
* Contributors:
* IBM Corporation - initial API and implementation
* Hannes Wellmann - Add IContextFunction.ServiceContextKey OSGi component property type
*******************************************************************************/

package org.eclipse.e4.core.contexts;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import org.osgi.framework.BundleContext;
import org.osgi.service.component.annotations.ComponentPropertyType;

/**
* A context function encapsulates evaluation of some code within an
Expand Down Expand Up @@ -58,9 +62,23 @@ public interface IContextFunction {
* should be registered in.
*
* @see BundleContext#getServiceReference(String)
* @see ServiceContextKey
*/
String SERVICE_CONTEXT_KEY = "service.context.key"; //$NON-NLS-1$

/**
* An OSGi service component property type used to indicate the context key this
* function should be registered in.
*
* @since 1.13
* @see #SERVICE_CONTEXT_KEY
*/
@ComponentPropertyType
@Retention(RetentionPolicy.SOURCE)
public @interface ServiceContextKey {
Class<?> value();
}

/**
* Evaluates the function based on the provided arguments and context to
* produce a consistent result.
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