| /******************************************************************************* |
| * Copyright (c) 2003, 2008 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 |
| * Rob Harrop - SpringSource Inc. (bug 247522) |
| *******************************************************************************/ |
| |
| package org.eclipse.osgi.internal.resolver; |
| |
| import org.eclipse.osgi.service.resolver.*; |
| |
| public class HostSpecificationImpl extends VersionConstraintImpl implements HostSpecification { |
| |
| private BundleDescription[] hosts; |
| private boolean multihost = false; |
| |
| public boolean isSatisfiedBy(BaseDescription supplier) { |
| if (!(supplier instanceof BundleDescription)) |
| return false; |
| BundleDescription candidate = (BundleDescription) supplier; |
| if (candidate.getHost() != null) |
| return false; |
| if (getName() != null && getName().equals(candidate.getSymbolicName()) && (getVersionRange() == null || getVersionRange().isIncluded(candidate.getVersion()))) |
| return true; |
| return false; |
| } |
| |
| public BundleDescription[] getHosts() { |
| synchronized (this.monitor) { |
| return hosts == null ? BundleDescriptionImpl.EMPTY_BUNDLEDESCS : hosts; |
| } |
| } |
| |
| public boolean isResolved() { |
| synchronized (this.monitor) { |
| return hosts != null && hosts.length > 0; |
| } |
| } |
| |
| /* |
| * The resolve algorithm will call this method to set the hosts. |
| */ |
| void setHosts(BundleDescription[] hosts) { |
| synchronized (this.monitor) { |
| this.hosts = hosts; |
| } |
| } |
| |
| public String toString() { |
| return "Fragment-Host: " + getName() + "; bundle-version=\"" + getVersionRange() + "\""; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| |
| public BaseDescription getSupplier() { |
| synchronized (this.monitor) { |
| if (hosts == null || hosts.length == 0) |
| return null; |
| return hosts[0]; |
| } |
| } |
| |
| public boolean isMultiHost() { |
| synchronized (this.monitor) { |
| return multihost; |
| } |
| } |
| |
| void setIsMultiHost(boolean multihost) { |
| synchronized (this.monitor) { |
| this.multihost = multihost; |
| } |
| } |
| } |