diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/query/FragmentQuery.java')
-rw-r--r-- | bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/query/FragmentQuery.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/query/FragmentQuery.java b/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/query/FragmentQuery.java new file mode 100644 index 000000000..fc70dd9e9 --- /dev/null +++ b/bundles/org.eclipse.equinox.p2.metadata/src/org/eclipse/equinox/p2/metadata/query/FragmentQuery.java @@ -0,0 +1,48 @@ +/******************************************************************************* + * Copyright (c) 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.query; + +import org.eclipse.equinox.p2.metadata.IInstallableUnitFragment; + +import org.eclipse.equinox.internal.p2.metadata.query.IUPropertyQuery; +import org.eclipse.equinox.p2.metadata.IInstallableUnit; +import org.eclipse.equinox.p2.query.MatchQuery; + +/** + * A query matching every {@link IInstallableUnit} that is a category. + * @since 2.0 + */ +public final class FragmentQuery extends MatchQuery<IInstallableUnit> { + private static final String PROP_TYPE_FRAGMENT = "org.eclipse.equinox.p2.type.fragment"; //$NON-NLS-1$ + private IUPropertyQuery query; + + public FragmentQuery() { + query = new IUPropertyQuery(PROP_TYPE_FRAGMENT, null); + } + + public boolean isMatch(IInstallableUnit candidate) { + return query.isMatch(candidate); + } + + /** + * Test if the {@link IInstallableUnit} is a fragment. + * @param iu the element being tested. + * @return <tt>true</tt> if the parameter is a fragment. + */ + public static boolean isFragment(IInstallableUnit iu) { + if (iu instanceof IInstallableUnitFragment) + return true; + // String value = iu.getProperty(PROP_TYPE_FRAGMENT); + // if (value != null && (value.equals(Boolean.TRUE.toString()))) + // return true; + return false; + } +} |