Revision 7785
Added by Jing Tao over 11 years ago
| metacat-index/src/main/java/edu/ucsb/nceas/metacat/index/DistributedMapsFactory.java | ||
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*/ |
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package edu.ucsb.nceas.metacat.index; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.InputStream; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
| ... | ... | |
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private static String hzObjectPath = null; |
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private static int waitingTime = IndexGenerator.WAITTIME; |
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private static int maxAttempts = IndexGenerator.MAXWAITNUMBER; |
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private static IMap<Identifier, SystemMetadata> systemMetadataMap = null; |
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private static IMap<Identifier, String> objectPathMap = null; |
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/* |
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* Start the hazel cast client |
| ... | ... | |
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if(hzClient == null) {
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startHazelCastClient(); |
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} |
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return hzClient.getMap(hzSystemMetadata); |
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systemMetadataMap = hzClient.getMap(hzSystemMetadata); |
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return systemMetadataMap; |
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} |
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/** |
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if(hzClient == null) {
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startHazelCastClient(); |
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} |
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return hzClient.getMap(hzObjectPath); |
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objectPathMap = hzClient.getMap(hzObjectPath); |
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return objectPathMap; |
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} |
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/** |
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* Get the SystemMetadata for the specified id. The null will be returned if there is no SystemMetadata found for this id |
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* @param id the specified id. |
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* @return the SystemMetadata for the id |
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* @throws FileNotFoundException |
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* @throws ServiceFailure |
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*/ |
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public static SystemMetadata getSystemMetadata(String id) throws FileNotFoundException, ServiceFailure {
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if(systemMetadataMap == null) {
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getSystemMetadataMap(); |
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} |
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SystemMetadata metadata = null; |
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if(systemMetadataMap != null && id != null) {
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Identifier identifier = new Identifier(); |
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identifier.setValue(id); |
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metadata = systemMetadataMap.get(identifier); |
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} |
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return metadata; |
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} |
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/** |
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* Get the DataObject for the specified id. The null will be returned if not data object is found. |
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* @param id the specified id |
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* @return the InputStream of the data object for the specified id. |
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* @throws FileNotFoundException |
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* @throws ServiceFailure |
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*/ |
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public static InputStream getDataObject(String id) throws FileNotFoundException, ServiceFailure {
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if(objectPathMap == null) {
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getObjectPathMap(); |
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} |
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InputStream data = null; |
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if(objectPathMap != null && id != null) {
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Identifier identifier = new Identifier(); |
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identifier.setValue(id); |
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String objectPath = objectPathMap.get(identifier); |
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if(objectPath != null) {
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data = new FileInputStream(objectPath); |
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} |
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} |
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return data; |
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} |
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} |
Also available in: Unified diff
Add two static methods to get the SystemMetadata and data object InputStream for the specified id.