Examples of org.apache.openjpa.datacache.DataCacheManager

org.apache.openjpa.datacache.DataCacheManager
Manages the system's data and query caches. You can retrieve the data cache manager from the {@link OpenJPAConfiguration#getDataCacheManagerInstance()}.
Manages zero or more individual {@link DataCache caches} or partitions. Each individual partitionis identified by a string-based identifier. Decides eligibility to cache for managed types. @author Abe White @author Patrick Linskey @author Pinaki Poddar

            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        dataCacheManagerPlugin.set(dcm);
    }


    public DataCacheManager getDataCacheManagerInstance() {
        DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
        if (dcm == null) {
            dcm =
                (DataCacheManager) dataCacheManagerPlugin.instantiate(
                    DataCacheManager.class, this);
            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        }
        return dcm;
    }

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            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        dataCacheManagerPlugin.set(dcm);
    }


    public DataCacheManager getDataCacheManagerInstance() {
        DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
        if (dcm == null) {
            dcm =
                (DataCacheManager) dataCacheManagerPlugin.instantiate(
                    DataCacheManager.class, this);
            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        }
        return dcm;
    }

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            opts = Configurations.parseProperties(getOptions());
        }
        
        String cacheName = opts.getProperty("name",null);
        OpenJPAConfiguration conf = (OpenJPAConfiguration)getProvider().getConfiguration();
        DataCacheManager dcm = conf.getDataCacheManagerInstance();
        DataCache dc = null;
        if (cacheName == null || cacheName.trim().length() == 0) {
            dc = dcm.getSystemDataCache();
        } else {
            dc = dcm.getDataCache(cacheName);
        }
        if (dc == null) {
            throw new UserException(_loc.get("data-cache-not-found"));
        }

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    @Override
    public void initialize() {
        
        OpenJPAConfiguration conf = (OpenJPAConfiguration)getProvider().getConfiguration();
        DataCacheManager dcm = conf.getDataCacheManagerInstance();
        QueryCache qc = dcm.getSystemQueryCache();
        
        if (qc == null) {
            throw new UserException(_loc.get("query-cache-not-found"));
        }

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            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        dataCacheManagerPlugin.set(dcm);
    }


    public DataCacheManager getDataCacheManagerInstance() {
        DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
        if (dcm == null) {
            dcm = (DataCacheManager) dataCacheManagerPlugin.instantiate(DataCacheManager.class, this);
            if (dcm != null) {
                dcm.initialize(this, dataCachePlugin, queryCachePlugin);
            }
        }
        return dcm;
    }

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            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        dataCacheManagerPlugin.set(dcm);
    }


    public DataCacheManager getDataCacheManagerInstance() {
        DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
        if (dcm == null) {
            dcm = (DataCacheManager) dataCacheManagerPlugin.instantiate(DataCacheManager.class, this);
            if (dcm != null) {
                dcm.initialize(this, dataCachePlugin, queryCachePlugin);
            }
        }
        return dcm;
    }

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            t.start();
        }
        for(Thread t : workers){
            t.join();
        }
        DataCacheManager prev = dcms.get(0);
        for(DataCacheManager dcm : dcms){
            assertTrue(prev == dcm);
            prev = dcm;
        }

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    private boolean dataCacheManagerInitialized = false;
    public DataCacheManager getDataCacheManagerInstance() {
        if (dataCacheManagerInitialized == false) {
            synchronized (this) {
                if (dataCacheManagerInitialized == false) {
                    DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
                    if (dcm == null) {
                        dcm = (DataCacheManager) dataCacheManagerPlugin.instantiate(DataCacheManager.class, this);
                        dcm.initialize(this, dataCachePlugin, queryCachePlugin);
                    }
                    dataCacheManagerInitialized = true;
                    return dcm;
                }
            }

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            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        dataCacheManagerPlugin.set(dcm);
    }


    public DataCacheManager getDataCacheManagerInstance() {
        DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
        if (dcm == null) {
            dcm =
                (DataCacheManager) dataCacheManagerPlugin.instantiate(
                    DataCacheManager.class, this);
            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        }
        return dcm;
    }

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            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        dataCacheManagerPlugin.set(dcm);
    }


    public DataCacheManager getDataCacheManagerInstance() {
        DataCacheManager dcm = (DataCacheManager) dataCacheManagerPlugin.get();
        if (dcm == null) {
            dcm =  (DataCacheManager) dataCacheManagerPlugin.instantiate(DataCacheManager.class, this);
            dcm.initialize(this, dataCachePlugin, queryCachePlugin);
        }
        return dcm;
    }

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Related Classes of org.apache.openjpa.datacache.DataCacheManager

org.apache.openjpa.conf.OpenJPAConfigurationImpl

org.apache.openjpa.instrumentation.jmx.DataCacheJMXInstrument

org.apache.openjpa.instrumentation.jmx.QueryCacheJMXInstrument

org.apache.openjpa.persistence.datacache.TestClearableScheduler

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