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Diffstat (limited to 'bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/IInstallableUnitPatch.java')
-rw-r--r--bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/IInstallableUnitPatch.java51
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diff --git a/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/IInstallableUnitPatch.java b/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/IInstallableUnitPatch.java
new file mode 100644
index 000000000..600a9f325
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/IInstallableUnitPatch.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2008, 2009 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.p2.metadata;
+
+import java.util.List;
+
+/**
+ * An installable unit patch is an installable unit that alters the required capabilities of another
+ * installable unit.
+ *
+ * @noimplement This interface is not intended to be implemented by clients.
+ * @noextend This interface is not intended to be extended by clients.
+ * @since 2.0
+ */
+public interface IInstallableUnitPatch extends IInstallableUnit {
+ /**
+ * The applicability scope of a patch describes the installable units that this
+ * patch should be applied to. Specifically, this patch will be applied to all installable
+ * units that satisfy all of the required capabilities in one or more of the given
+ * required capability arrays.
+ * <p>
+ * The returned two-dimensional array can be considered
+ * as a boolean expression, where items in the inner array are connected by
+ * AND operators, and each of the arrays are separated by OR operators. For example
+ * a scope of [[r1, r2, r3], [r4, r5]] will match any unit whose provided capabilities
+ * satisfy the expression ((r1 ^ r2 ^ r3) | (r4 ^ r5)).
+ */
+ IRequirement[][] getApplicabilityScope();
+
+ /**
+ * Returns the requirement changes imposed by the patch.
+ * @return The patch requirement changes.
+ */
+ List<IRequirementChange> getRequirementsChange();
+
+ /**
+ * Returns the required capability that defines the lifecycle of this patch. The
+ * patch will be installed into a profile if and only if the lifecycle capability
+ * is satisfied by some IU in the profile. If a future provisioning operation causes
+ * the requirement to no longer be satisfied, the patch will be uninstalled.
+ */
+ IRequirement getLifeCycle();
+}

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