X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fsrc%2Forg%2Fsimantics%2Fdataboard%2Faccessor%2Fjava%2FJavaUnion.java;h=60e3c997a324dadc4aa6fd8111ab67a8837b719f;hb=refs%2Fchanges%2F38%2F238%2F2;hp=dfcb874bc7dce213aaa54965329cbe6de30f249c;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.databoard/src/org/simantics/databoard/accessor/java/JavaUnion.java b/bundles/org.simantics.databoard/src/org/simantics/databoard/accessor/java/JavaUnion.java index dfcb874bc..60e3c997a 100644 --- a/bundles/org.simantics.databoard/src/org/simantics/databoard/accessor/java/JavaUnion.java +++ b/bundles/org.simantics.databoard/src/org/simantics/databoard/accessor/java/JavaUnion.java @@ -1,43 +1,43 @@ -/******************************************************************************* - * Copyright (c) 2010 Association for Decentralized Information Management in - * Industry THTH ry. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * VTT Technical Research Centre of Finland - initial API and implementation - *******************************************************************************/ +/******************************************************************************* + * Copyright (c) 2010 Association for Decentralized Information Management in + * Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ package org.simantics.databoard.accessor.java; -import java.lang.ref.SoftReference; -import java.util.concurrent.Executor; - -import org.simantics.databoard.accessor.Accessor; -import org.simantics.databoard.accessor.UnionAccessor; -import org.simantics.databoard.accessor.error.AccessorConstructionException; -import org.simantics.databoard.accessor.error.AccessorException; -import org.simantics.databoard.accessor.error.ReferenceException; -import org.simantics.databoard.accessor.event.Event; -import org.simantics.databoard.accessor.event.UnionValueAssigned; -import org.simantics.databoard.accessor.event.ValueAssigned; -import org.simantics.databoard.accessor.impl.AccessorParams; -import org.simantics.databoard.accessor.impl.ListenerEntry; -import org.simantics.databoard.accessor.interestset.InterestSet; -import org.simantics.databoard.accessor.interestset.UnionInterestSet; -import org.simantics.databoard.accessor.reference.ChildReference; -import org.simantics.databoard.accessor.reference.ComponentReference; -import org.simantics.databoard.accessor.reference.IndexReference; -import org.simantics.databoard.accessor.reference.LabelReference; -import org.simantics.databoard.accessor.reference.NameReference; -import org.simantics.databoard.adapter.AdaptException; -import org.simantics.databoard.adapter.AdapterConstructionException; -import org.simantics.databoard.binding.Binding; -import org.simantics.databoard.binding.UnionBinding; -import org.simantics.databoard.binding.error.BindingException; -import org.simantics.databoard.binding.mutable.MutableVariant; -import org.simantics.databoard.type.UnionType; +import java.lang.ref.SoftReference; +import java.util.concurrent.Executor; + +import org.simantics.databoard.accessor.Accessor; +import org.simantics.databoard.accessor.UnionAccessor; +import org.simantics.databoard.accessor.error.AccessorConstructionException; +import org.simantics.databoard.accessor.error.AccessorException; +import org.simantics.databoard.accessor.error.ReferenceException; +import org.simantics.databoard.accessor.event.Event; +import org.simantics.databoard.accessor.event.UnionValueAssigned; +import org.simantics.databoard.accessor.event.ValueAssigned; +import org.simantics.databoard.accessor.impl.AccessorParams; +import org.simantics.databoard.accessor.impl.ListenerEntry; +import org.simantics.databoard.accessor.interestset.InterestSet; +import org.simantics.databoard.accessor.interestset.UnionInterestSet; +import org.simantics.databoard.accessor.reference.ChildReference; +import org.simantics.databoard.accessor.reference.ComponentReference; +import org.simantics.databoard.accessor.reference.IndexReference; +import org.simantics.databoard.accessor.reference.LabelReference; +import org.simantics.databoard.accessor.reference.NameReference; +import org.simantics.databoard.adapter.AdaptException; +import org.simantics.databoard.adapter.AdapterConstructionException; +import org.simantics.databoard.binding.Binding; +import org.simantics.databoard.binding.UnionBinding; +import org.simantics.databoard.binding.error.BindingException; +import org.simantics.databoard.binding.mutable.MutableVariant; +import org.simantics.databoard.type.UnionType; /** * Accessor to Java Object of Union Type @@ -68,35 +68,35 @@ public class JavaUnion extends JavaObject implements UnionAccessor { public T getComponent(ChildReference reference) throws AccessorConstructionException { try { - if (reference==null) return (T) this; - - if (reference instanceof LabelReference) { - LabelReference lr = (LabelReference) reference; - Integer tag = type().getComponentIndex( lr.label ); - - if (tag==null && lr.label.equals("uv")) { - Accessor result = getComponentAccessor(); - if (reference.getChildReference() != null) - result = result.getComponent(reference.getChildReference()); - return (T) result; - } else if (tag==null) { - throw new ReferenceException("Tag \""+lr.label+"\" not found"); - } - - if (tag != getTag()) throw new ReferenceException("The union isn't currently assigned with the expected type ("+type().getComponent(tag).name+")"); - Accessor result = getComponentAccessor(); - if (reference.getChildReference() != null) - result = result.getComponent(reference.getChildReference()); - return (T) result; - } + if (reference==null) return (T) this; + + if (reference instanceof LabelReference) { + LabelReference lr = (LabelReference) reference; + Integer tag = type().getComponentIndex( lr.label ); + + if (tag==null && lr.label.equals("uv")) { + Accessor result = getComponentAccessor(); + if (reference.getChildReference() != null) + result = result.getComponent(reference.getChildReference()); + return (T) result; + } else if (tag==null) { + throw new ReferenceException("Tag \""+lr.label+"\" not found"); + } + + if (tag != getTag()) throw new ReferenceException("The union isn't currently assigned with the expected type ("+type().getComponent(tag).name+")"); + Accessor result = getComponentAccessor(); + if (reference.getChildReference() != null) + result = result.getComponent(reference.getChildReference()); + return (T) result; + } if (reference instanceof ComponentReference) { Accessor result = getComponentAccessor(); if (reference.getChildReference() != null) result = result.getComponent(reference.getChildReference()); return (T) result; - } - + } + if (reference instanceof IndexReference) { IndexReference ir = (IndexReference) reference; if (ir.index<0 || ir.index>=type().getComponentCount()) throw new ReferenceException("Tag index out of bounds"); @@ -105,8 +105,8 @@ public class JavaUnion extends JavaObject implements UnionAccessor { if (reference.getChildReference() != null) result = result.getComponent(reference.getChildReference()); return (T) result; - } - + } + if (reference instanceof NameReference) { NameReference nr = (NameReference) reference; Integer tag = type().getComponentIndex( nr.name ); @@ -116,7 +116,7 @@ public class JavaUnion extends JavaObject implements UnionAccessor { if (reference.getChildReference() != null) result = result.getComponent(reference.getChildReference()); return (T) result; - } + } throw new ReferenceException(reference.getClass()+" is not a reference of UnionType"); } catch (AccessorException ae) { @@ -141,7 +141,7 @@ public class JavaUnion extends JavaObject implements UnionAccessor { @Override public void setValue(Binding unionBinding, Object newUnionValue) - throws AccessorException { + throws AccessorException { writeLock(); try { UnionBinding newUb = (UnionBinding) unionBinding; @@ -151,8 +151,8 @@ public class JavaUnion extends JavaObject implements UnionAccessor { setComponentValue(tag, cb, cv); } catch (BindingException e) { throw new AccessorException(e); - } finally { - writeUnlock(); + } finally { + writeUnlock(); } } @@ -163,8 +163,8 @@ public class JavaUnion extends JavaObject implements UnionAccessor { // Get existing or create new JavaObject sa = getExistingAccessor(); - if (sa==null) { - readLock(); + if (sa==null) { + readLock(); try { // Instantiate new accessor int tag = getBinding().getTag(object); @@ -189,9 +189,9 @@ public class JavaUnion extends JavaObject implements UnionAccessor { } } le = le.next; - } - } finally { - readUnlock(); + } + } finally { + readUnlock(); } } @@ -203,7 +203,7 @@ public class JavaUnion extends JavaObject implements UnionAccessor { } @Override - public Object getComponentValue(Binding componentBinding) throws AccessorException { + public Object getComponentValue(Binding componentBinding) throws AccessorException { readLock(); try { int tag = getBinding().getTag(object); @@ -214,22 +214,22 @@ public class JavaUnion extends JavaObject implements UnionAccessor { throw new AccessorException( ae ); } catch (BindingException be) { throw new AccessorException( be ); - } catch (AdapterConstructionException e) { - throw new AccessorException( e ); - } finally { - readUnlock(); + } catch (AdapterConstructionException e) { + throw new AccessorException( e ); + } finally { + readUnlock(); } } @Override - public int getTag() throws AccessorException { + public int getTag() throws AccessorException { readLock(); try { return getBinding().getTag(object); } catch (BindingException e) { throw new AccessorException(); - } finally { - readUnlock(); + } finally { + readUnlock(); } } @@ -286,10 +286,10 @@ public class JavaUnion extends JavaObject implements UnionAccessor { throw new AccessorException(e); } catch (AdaptException e) { throw new AccessorException(e); - } catch (AdapterConstructionException e) { - throw new AccessorException(e); - } finally { - writeUnlock(); + } catch (AdapterConstructionException e) { + throw new AccessorException(e); + } finally { + writeUnlock(); } } @@ -330,13 +330,13 @@ public class JavaUnion extends JavaObject implements UnionAccessor { @Override Event applyLocal(Event e, boolean makeRollback) throws AccessorException { try { - Event rollback = null; - if (e instanceof ValueAssigned) { - ValueAssigned va = (ValueAssigned) e; - if (makeRollback) rollback = new ValueAssigned(getBinding(), getValue(getBinding())); - setValue(va.newValue.getBinding(), va.newValue.getValue()); - return rollback; - } else + Event rollback = null; + if (e instanceof ValueAssigned) { + ValueAssigned va = (ValueAssigned) e; + if (makeRollback) rollback = new ValueAssigned(getBinding(), getValue(getBinding())); + setValue(va.newValue.getBinding(), va.newValue.getValue()); + return rollback; + } else if (e instanceof UnionValueAssigned) { UnionValueAssigned ua = (UnionValueAssigned) e; if (ua.tag<0 || ua.tag>=type().getComponentCount()) throw new AccessorException("Tag index ("+ua.tag+") out of bounds."); @@ -352,9 +352,9 @@ public class JavaUnion extends JavaObject implements UnionAccessor { rollback = new UnionValueAssigned(tag, v); } setComponentValue(ua.tag, ua.newValue.getBinding(), ua.newValue.getValue()); - return rollback; - } else { - throw new AccessorException("Cannot apply "+e.getClass().getName()+" to Union Type"); + return rollback; + } else { + throw new AccessorException("Cannot apply "+e.getClass().getName()+" to Union Type"); } } catch (BindingException be) { throw new AccessorException(be);