org.apache.openjpa.kernel.DelegatingFetchConfiguration Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.openjpa.kernel;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import org.apache.openjpa.lib.rop.ResultList;
import org.apache.openjpa.lib.rop.ResultObjectProvider;
import org.apache.openjpa.meta.FieldMetaData;
import org.apache.openjpa.util.RuntimeExceptionTranslator;
///////////////////////////////////////////////////////////////
// NOTE: when adding a public API method, be sure to add it to
// JDO and JPA facades!
///////////////////////////////////////////////////////////////
/**
* Delegating fetch configuration that can also perform exception
* translation for use in facades.
*
* @author Abe White
* @nojavadoc
*/
public class DelegatingFetchConfiguration
implements FetchConfiguration {
private final FetchConfiguration _fetch;
private final DelegatingFetchConfiguration _del;
private final RuntimeExceptionTranslator _trans;
/**
* Constructor; supply delegate.
*/
public DelegatingFetchConfiguration(FetchConfiguration fetch) {
this(fetch, null);
}
/**
* Constructor; supply delegate and exception translator.
*/
public DelegatingFetchConfiguration(FetchConfiguration fetch,
RuntimeExceptionTranslator trans) {
_fetch = fetch;
if (fetch instanceof DelegatingFetchConfiguration)
_del = (DelegatingFetchConfiguration) fetch;
else
_del = null;
_trans = trans;
}
/**
* Return the direct delegate.
*/
public FetchConfiguration getDelegate() {
return _fetch;
}
/**
* Return the native delegate.
*/
public FetchConfiguration getInnermostDelegate() {
return (_del == null) ? _fetch : _del.getInnermostDelegate();
}
public int hashCode() {
return getInnermostDelegate().hashCode();
}
public boolean equals(Object other) {
if (other == this)
return true;
if (other instanceof DelegatingFetchConfiguration)
other = ((DelegatingFetchConfiguration) other).
getInnermostDelegate();
return getInnermostDelegate().equals(other);
}
/**
* Translate the OpenJPA exception.
*/
protected RuntimeException translate(RuntimeException re) {
return (_trans == null) ? re : _trans.translate(re);
}
public StoreContext getContext() {
try {
return _fetch.getContext();
} catch (RuntimeException re) {
throw translate(re);
}
}
public void setContext(StoreContext ctx) {
try {
_fetch.setContext(ctx);
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getFetchBatchSize() {
try {
return _fetch.getFetchBatchSize();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setFetchBatchSize(int fetchBatchSize) {
try {
_fetch.setFetchBatchSize(fetchBatchSize);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getMaxFetchDepth() {
try {
return _fetch.getMaxFetchDepth();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setMaxFetchDepth(int depth) {
try {
_fetch.setMaxFetchDepth(depth);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public Set getRootInstances() {
try {
return _fetch.getRootInstances();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setRootInstances(Collection roots) {
try {
_fetch.setRootInstances(roots);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public Set getRootClasses() {
try {
return _fetch.getRootClasses();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setRootClasses(Collection roots) {
try {
_fetch.setRootClasses(roots);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public boolean getQueryCacheEnabled() {
try {
return _fetch.getQueryCacheEnabled();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setQueryCacheEnabled(boolean cache) {
try {
_fetch.setQueryCacheEnabled(cache);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getFlushBeforeQueries() {
try {
return _fetch.getFlushBeforeQueries();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setFlushBeforeQueries(int flush) {
try {
_fetch.setFlushBeforeQueries(flush);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public boolean getExtendedPathLookup() {
try {
return _fetch.getExtendedPathLookup();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setExtendedPathLookup(boolean flag) {
try {
_fetch.setExtendedPathLookup(flag);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public Set getFetchGroups() {
try {
return _fetch.getFetchGroups();
} catch (RuntimeException re) {
throw translate(re);
}
}
public boolean hasFetchGroup(String group) {
try {
return _fetch.hasFetchGroup(group);
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration addFetchGroup(String group) {
try {
_fetch.addFetchGroup(group);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration addFetchGroups(Collection groups) {
try {
_fetch.addFetchGroups(groups);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration removeFetchGroup(String group) {
try {
_fetch.removeFetchGroup(group);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration removeFetchGroups(Collection groups) {
try {
_fetch.removeFetchGroups(groups);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration clearFetchGroups() {
try {
_fetch.clearFetchGroups();
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration resetFetchGroups() {
try {
_fetch.resetFetchGroups();
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public Set getFields() {
try {
return _fetch.getFields();
} catch (RuntimeException re) {
throw translate(re);
}
}
public boolean hasField(String field) {
try {
return _fetch.hasField(field);
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration addField(String field) {
try {
_fetch.addField(field);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration addFields(Collection fields) {
try {
_fetch.addFields(fields);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration removeField(String field) {
try {
_fetch.removeField(field);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration removeFields(Collection fields) {
try {
_fetch.removeFields(fields);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration clearFields() {
try {
_fetch.clearFields();
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getLockTimeout() {
try {
return _fetch.getLockTimeout();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setLockTimeout(int timeout) {
try {
_fetch.setLockTimeout(timeout);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getQueryTimeout() {
try {
return _fetch.getQueryTimeout();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setQueryTimeout(int timeout) {
try {
_fetch.setQueryTimeout(timeout);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getLockScope() {
try {
return _fetch.getLockScope();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setLockScope(int scope) {
try {
_fetch.setLockScope(scope);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getReadLockLevel() {
try {
return _fetch.getReadLockLevel();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setReadLockLevel(int level) {
try {
_fetch.setReadLockLevel(level);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public int getWriteLockLevel() {
try {
return _fetch.getWriteLockLevel();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration setWriteLockLevel(int level) {
try {
_fetch.setWriteLockLevel(level);
return this;
} catch (RuntimeException re) {
throw translate(re);
}
}
public ResultList newResultList(ResultObjectProvider rop) {
try {
return _fetch.newResultList(rop);
} catch (RuntimeException re) {
throw translate(re);
}
}
public void copy(FetchConfiguration fetch) {
try {
_fetch.copy(fetch);
} catch (RuntimeException re) {
throw translate(re);
}
}
public Object clone() {
try {
return _fetch.clone();
} catch (RuntimeException re) {
throw translate(re);
}
}
public void setHint(String name, Object value) {
try {
_fetch.setHint(name, value);
} catch (RuntimeException re) {
throw translate(re);
}
}
public void setHint(String name, Object value, Object original) {
try {
_fetch.setHint(name, value, original);
} catch (RuntimeException re) {
throw translate(re);
}
}
public boolean isHintSet(String key) {
try {
return _fetch.isHintSet(key);
} catch (RuntimeException re) {
throw translate(re);
}
}
public Object getHint(String name) {
try {
return _fetch.getHint(name);
} catch (RuntimeException re) {
throw translate(re);
}
}
public Map getHints() {
try {
return _fetch.getHints();
} catch (RuntimeException re) {
throw translate(re);
}
}
public int requiresFetch(FieldMetaData fmd) {
try {
return _fetch.requiresFetch(fmd);
} catch (RuntimeException re) {
throw translate(re);
}
}
public boolean requiresLoad() {
try {
return _fetch.requiresLoad();
} catch (RuntimeException re) {
throw translate(re);
}
}
public FetchConfiguration traverse(FieldMetaData fmd) {
try {
return _fetch.traverse(fmd);
} catch (RuntimeException re) {
throw translate(re);
}
}
public void lock() {
try {
_fetch.lock();
} catch (RuntimeException re) {
throw translate(re);
}
}
public void unlock() {
try {
_fetch.unlock();
} catch (RuntimeException re) {
throw translate(re);
}
}
public DataCacheRetrieveMode getCacheRetrieveMode() {
try {
return _fetch.getCacheRetrieveMode();
} catch (RuntimeException re) {
throw translate(re);
}
}
public DataCacheStoreMode getCacheStoreMode() {
try {
return _fetch.getCacheStoreMode();
} catch (RuntimeException re) {
throw translate(re);
}
}
public void setCacheRetrieveMode(DataCacheRetrieveMode mode) {
try {
_fetch.setCacheRetrieveMode(mode);
} catch (RuntimeException re) {
throw translate(re);
}
}
public void setCacheStoreMode(DataCacheStoreMode mode) {
try {
_fetch.setCacheStoreMode(mode);
} catch (RuntimeException re) {
throw translate(re);
}
}
}