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// This Source Code is in the Public Domain per: http://unlicense.org |
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package org.litesoft.aokeyhole.objects.support; |
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import org.litesoft.util.*; |
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import java.util.*; |
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public abstract class AbstractDataMetaData extends AbstractMetaData implements Changeable { |
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private Mode mMode; |
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private boolean mEditable; |
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private int mChangeCounter = 0; |
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private int mLastChangeCounter = 0; |
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private CopyOnWriteUniqueIdentityListManager<ChangeCallback> mChangeCallbacks = new CopyOnWriteUniqueIdentityListManager<ChangeCallback>(); |
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public AbstractDataMetaData( String pMetaDataType, Mode pMode, boolean pEditable ) { |
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super( pMetaDataType ); |
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mMode = pMode; |
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mEditable = pEditable; |
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} |
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@Override |
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public List<ChangeCallback> getChangeCallbacks() { |
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return mChangeCallbacks.getAll(); |
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} |
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@Override |
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public void removeAllChangeCallbacks() { |
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mChangeCallbacks.removeAll(); |
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} |
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@Override |
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public boolean add( ChangeCallback pChangeCallback ) { |
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return mChangeCallbacks.add( pChangeCallback ); |
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} |
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@Override |
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public boolean remove( ChangeCallback pChangeCallback ) { |
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return mChangeCallbacks.remove( pChangeCallback ); |
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} |
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protected void LLchanged() { |
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// System.out.println( getClass().getSimpleName() + ".LLchanged" ); |
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mChangeCounter++; |
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notifyCallbacks(); |
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} |
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@Override |
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public void clearChangeIndicators() { |
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if ( isChanged() ) { |
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// System.out.println( getClass().getSimpleName() + ".clearChangeIndicators" ); |
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mChangeCounter = mLastChangeCounter = 0; |
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notifyCallbacks(); |
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} |
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} |
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@Override |
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public boolean isChanged() { |
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return (mChangeCounter != 0); |
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} |
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@Override |
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public boolean chkChanged() { |
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if ( mChangeCounter == mLastChangeCounter ) { |
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return false; |
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} |
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mLastChangeCounter = mChangeCounter; |
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return true; |
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} |
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@Override |
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public void changed() { |
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if ( !Mode.Rehydrating.equals( getMode() ) ) { |
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LLchanged(); |
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} |
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} |
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private void notifyCallbacks() { |
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List<ChangeCallback> zCallbacks = mChangeCallbacks.getAll(); |
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for ( ChangeCallback zCallback : zCallbacks ) { |
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zCallback.changeStateUpdated( this ); |
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} |
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} |
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public void setNewSaved() { |
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mMode = Mode.Ready; |
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} |
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public void setRehydrated() { |
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mMode = Mode.Ready; |
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} |
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public Mode getMode() { |
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return mMode; |
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} |
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public boolean isEditable() { |
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return mEditable; |
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} |
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protected void verifyEditability() { |
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checkBadMode( Mode.Rehydrating.equals( getMode() ) ); |
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if ( !isEditable() ) { |
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throw new IllegalStateException( getMetaDataType() + " is NOT Editable" ); |
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} |
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} |
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/** |
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* @return null or Error |
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*/ |
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public String validatePersistable() { |
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return null; |
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} |
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protected void chkUnhappyCase( String pNullOrError ) { |
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if ( pNullOrError != null ) { |
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throw new IllegalStateException( pNullOrError ); |
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} |
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} |
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protected void checkBadMode( boolean pBadMode ) { |
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if ( pBadMode ) { |
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throw new IllegalStateException( getMetaDataType() + " is still in " + getMode() + " Mode" ); |
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} |
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} |
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} |
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// This Source Code is in the Public Domain per: http://unlicense.org |
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package org.litesoft.aokeyhole.objects.support; |
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import org.litesoft.util.*; |
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import java.util.*; |
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public abstract class AbstractDataMetaData extends AbstractMetaData implements Changeable { |
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private Mode mMode; |
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private boolean mEditable; |
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private int mChangeCounter = 0; |
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private int mLastChangeCounter = 0; |
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private CopyOnWriteUniqueIdentityListManager<ChangeCallback> mChangeCallbacks = new CopyOnWriteUniqueIdentityListManager<ChangeCallback>(); |
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public AbstractDataMetaData( String pMetaDataType, Mode pMode, boolean pEditable ) { |
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super( pMetaDataType ); |
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mMode = pMode; |
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mEditable = pEditable; |
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} |
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@Override |
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public List<ChangeCallback> getChangeCallbacks() { |
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return mChangeCallbacks.getAll(); |
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} |
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@Override |
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public void removeAllChangeCallbacks() { |
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mChangeCallbacks.removeAll(); |
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} |
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@Override |
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public boolean add( ChangeCallback pChangeCallback ) { |
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return mChangeCallbacks.add( pChangeCallback ); |
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} |
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@Override |
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public boolean remove( ChangeCallback pChangeCallback ) { |
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return mChangeCallbacks.remove( pChangeCallback ); |
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} |
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protected void LLchanged() { |
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// System.out.println( getClass().getSimpleName() + ".LLchanged" ); |
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mChangeCounter++; |
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notifyCallbacks(); |
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} |
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@Override |
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public void clearChangeIndicators() { |
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if ( isChanged() ) { |
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// System.out.println( getClass().getSimpleName() + ".clearChangeIndicators" ); |
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mChangeCounter = mLastChangeCounter = 0; |
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notifyCallbacks(); |
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} |
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} |
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@Override |
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public boolean isChanged() { |
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return (mChangeCounter != 0); |
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} |
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@Override |
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public boolean chkChanged() { |
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if ( mChangeCounter == mLastChangeCounter ) { |
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return false; |
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} |
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mLastChangeCounter = mChangeCounter; |
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return true; |
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} |
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@Override |
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public void changed() { |
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if ( !Mode.Rehydrating.equals( getMode() ) ) { |
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LLchanged(); |
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} |
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} |
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private void notifyCallbacks() { |
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List<ChangeCallback> zCallbacks = mChangeCallbacks.getAll(); |
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for ( ChangeCallback zCallback : zCallbacks ) { |
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zCallback.changeStateUpdated( this ); |
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} |
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} |
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public void setNewSaved() { |
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mMode = Mode.Ready; |
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} |
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public void setRehydrated() { |
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mMode = Mode.Ready; |
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} |
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public Mode getMode() { |
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return mMode; |
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} |
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public boolean isEditable() { |
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return mEditable; |
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} |
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protected void verifyEditability() { |
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checkBadMode( Mode.Rehydrating.equals( getMode() ) ); |
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if ( !isEditable() ) { |
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throw new IllegalStateException( getMetaDataType() + " is NOT Editable" ); |
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} |
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} |
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/** |
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* @return null or Error |
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*/ |
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public String validatePersistable() { |
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return null; |
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} |
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protected void chkUnhappyCase( String pNullOrError ) { |
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if ( pNullOrError != null ) { |
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throw new IllegalStateException( pNullOrError ); |
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} |
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} |
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protected void checkBadMode( boolean pBadMode ) { |
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if ( pBadMode ) { |
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throw new IllegalStateException( getMetaDataType() + " is still in " + getMode() + " Mode" ); |
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} |
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} |
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} |