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| package org.apache.xindice.core.cache; |
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| import org.apache.commons.logging.Log; |
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| import org.apache.commons.logging.LogFactory; |
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| import org.apache.xindice.core.Collection; |
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| import org.apache.xindice.core.data.Entry; |
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| import org.apache.xindice.core.data.Key; |
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| import org.apache.xindice.core.data.Value; |
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| import org.apache.xindice.xml.NodeSource; |
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| import org.apache.xindice.xml.SymbolTable; |
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| import org.apache.xindice.xml.dom.DBDocument; |
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| import org.apache.xindice.xml.dom.DOMParser; |
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| import org.apache.xindice.xml.dom.DocumentImpl; |
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| import org.w3c.dom.Document; |
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| import java.util.Map; |
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| import java.util.WeakHashMap; |
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| public class DocumentCacheImpl implements DocumentCache { |
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| private static final Log log = LogFactory.getLog(DocumentCacheImpl.class); |
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| private final Map table = new WeakHashMap(); |
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62340
| public Entry getEntry(Collection col, Key key) {
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62340
| final CacheKey ckey = new CacheKey(col, key);
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62340
| Entry e;
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62340
| synchronized (table) {
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62340
| e = (Entry) table.get(ckey);
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| } |
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62340
| if (log.isDebugEnabled()) {
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0
| log.debug("Get " + ckey + ": " + (e == null ? "MISS" : "HIT"));
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| } |
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62340
| if (e == null) {
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44231
| return null;
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| } |
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| |
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18109
| switch (e.getEntryType()) {
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18087
| case Entry.DOCUMENT:
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18087
| Document doc;
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18087
| if (col.isCompressed()) {
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14944
| SymbolTable s = col.getSymbols();
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14944
| NodeSource ns = new NodeSource(col, key);
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14944
| doc = new DocumentImpl(((Value) e.getValue()).getData(), s, ns);
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| } else { |
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3143
| try {
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3143
| doc = DOMParser.toDocument((Value) e.getValue());
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3143
| ((DBDocument) doc).setSource(new NodeSource(col, key));
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| } catch (Exception ex) { |
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0
| if (log.isWarnEnabled()) {
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0
| log.warn("ignored exception", ex);
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| } |
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0
| return null;
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| } |
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| } |
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18087
| return new Entry(key, doc, e.getMeta());
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| |
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22
| case Entry.BINARY:
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| return new Entry(key, ((Value) e.getValue()).getData(), e.getMeta());
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0
| default:
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0
| throw new IllegalStateException("Invalid cache entry type: <" + e.getEntryType() + ">");
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| } |
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| } |
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| |
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49
| public Entry getEntryMeta(Collection col, Key key) {
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| Entry e;
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| synchronized (table) {
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| e = (Entry) table.get(new CacheKey(col, key));
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| } |
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49
| if (e == null) {
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0
| return null;
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| } |
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49
| return new Entry(key, e.getMeta());
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| } |
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45449
| public void putEntry(Collection col, Key key, byte type, Value value, Map meta) {
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45449
| CacheKey ckey = new CacheKey(col, key);
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45449
| synchronized (table) {
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45449
| table.put(ckey, new Entry(type, key, value, meta));
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| } |
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| } |
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0
| public void putEntryMeta(Collection col, Key key, byte type, Map meta) {
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0
| CacheKey ckey = new CacheKey(col, key);
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0
| synchronized (table) {
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0
| Entry e = (Entry) table.get(ckey);
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0
| if (e == null) {
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0
| e = new Entry(type, key, null, meta);
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| } else { |
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0
| e = new Entry(type, key, e.getValue(), meta);
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| } |
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0
| table.put(ckey, e);
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| } |
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| } |
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134 |
1959
| public void removeEntry(Collection col, Key key) {
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1959
| synchronized (table) {
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1959
| table.remove(new CacheKey(col, key));
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| } |
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| } |
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| } |