Java IterableExtensions.findFirst方法代码示例

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public void setMarker(final String theKey, final String value) {
	final Function1<Marker, Boolean> _function = new Function1<Marker, Boolean>() {
		public Boolean apply(final Marker it) {
			String _key = it.getKey();
			String _key_1 = it.getKey();
			return Boolean.valueOf(Objects.equal(_key, _key_1));
		}
	};
	Marker marker = IterableExtensions.<Marker>findFirst(this.getMarkers(), _function);
	if ((marker == null)) {
		marker = DomFactory.eINSTANCE.createMarker();
		marker.setKey(theKey);
		this.getMarkers().add(marker);
	}
	marker.setValue(value);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * @return a portable URI fragment, or <code>null</code> if the give EObject isn't itself or is not contained in an exported EObjectDescription
 */
protected String getPortableURIFragment(final EObject obj) {
  final IResourceDescriptions descriptions = this.resourceDescriptionsProvider.getResourceDescriptions(obj.eResource());
  final IResourceDescription desc = descriptions.getResourceDescription(obj.eResource().getURI());
  if ((desc == null)) {
    return null;
  }
  final Function1<IEObjectDescription, Boolean> _function = (IEObjectDescription it) -> {
    boolean _xblockexpression = false;
    {
      final EObject possibleContainer = EcoreUtil.resolve(it.getEObjectOrProxy(), obj.eResource());
      _xblockexpression = (Objects.equal(obj, possibleContainer) || EcoreUtil.isAncestor(obj, possibleContainer));
    }
    return Boolean.valueOf(_xblockexpression);
  };
  final IEObjectDescription containerDesc = IterableExtensions.<IEObjectDescription>findFirst(desc.getExportedObjects(), _function);
  if ((containerDesc != null)) {
    final PortableURIs.PortableFragmentDescription fragmentDescription = this.createPortableFragmentDescription(containerDesc, obj);
    return this.toFragmentString(fragmentDescription);
  }
  return null;
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
public static EAttribute idAttribute(final EClass it) {
  EAttribute _xblockexpression = null;
  {
    final EAttribute idAttr = Ecore2XtextExtensions.idAttributeInternal(it);
    EAttribute _xifexpression = null;
    if ((idAttr != null)) {
      _xifexpression = idAttr;
    } else {
      final Function1<EAttribute, Boolean> _function = (EAttribute a) -> {
        return Boolean.valueOf((((Ecore2XtextExtensions.needsAssignment(a) && Objects.equal(a.getName(), "name")) && Objects.equal(a.getEType().getName(), "EString")) && (!a.isMany())));
      };
      _xifexpression = IterableExtensions.<EAttribute>findFirst(it.getEAllAttributes(), _function);
    }
    _xblockexpression = _xifexpression;
  }
  return _xblockexpression;
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public N4MethodDeclaration getOwnedCtor() {
	final Function1<N4MethodDeclaration, Boolean> _function = new Function1<N4MethodDeclaration, Boolean>() {
		public Boolean apply(final N4MethodDeclaration it) {
			return Boolean.valueOf(it.isConstructor());
		}
	};
	return IterableExtensions.<N4MethodDeclaration>findFirst(Iterables.<N4MethodDeclaration>filter(this.getOwnedMembersRaw(), N4MethodDeclaration.class), _function);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public N4MethodDeclaration getOwnedCallableCtor() {
	final Function1<N4MethodDeclaration, Boolean> _function = new Function1<N4MethodDeclaration, Boolean>() {
		public Boolean apply(final N4MethodDeclaration it) {
			return Boolean.valueOf(it.isCallableConstructor());
		}
	};
	return IterableExtensions.<N4MethodDeclaration>findFirst(Iterables.<N4MethodDeclaration>filter(this.getOwnedMembersRaw(), N4MethodDeclaration.class), _function);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public DefaultClause getDefaultClause() {
	final Function1<AbstractCaseClause, Boolean> _function = new Function1<AbstractCaseClause, Boolean>() {
		public Boolean apply(final AbstractCaseClause it) {
			return Boolean.valueOf((it instanceof DefaultClause));
		}
	};
	AbstractCaseClause _findFirst = IterableExtensions.<AbstractCaseClause>findFirst(this.getCases(), _function);
	return ((DefaultClause) _findFirst);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public TMethod getOwnedCtor() {
	final Function1<TMethod, Boolean> _function = new Function1<TMethod, Boolean>() {
		public Boolean apply(final TMethod it) {
			return Boolean.valueOf(it.getName().equals("constructor"));
		}
	};
	return IterableExtensions.<TMethod>findFirst(Iterables.<TMethod>filter(this.getOwnedMembers(), TMethod.class), _function);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public TMethod getOwnedCtor() {
	final Function1<TMethod, Boolean> _function = new Function1<TMethod, Boolean>() {
		public Boolean apply(final TMethod it) {
			return Boolean.valueOf(it.isConstructor());
		}
	};
	return IterableExtensions.<TMethod>findFirst(Iterables.<TMethod>filter(this.getOwnedMembers(), TMethod.class), _function);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public TagValue getValueByKey(final String theKey) {
	final Function1<TagValue, Boolean> _function = new Function1<TagValue, Boolean>() {
		public Boolean apply(final TagValue it) {
			String _key = it.getKey();
			return Boolean.valueOf(Objects.equal(_key, theKey));
		}
	};
	return IterableExtensions.<TagValue>findFirst(this.getValues(), _function);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public String getMarkerValue(final String theKey) {
	final Function1<Marker, Boolean> _function = new Function1<Marker, Boolean>() {
		public Boolean apply(final Marker it) {
			String _key = it.getKey();
			return Boolean.valueOf(Objects.equal(_key, theKey));
		}
	};
	Marker _findFirst = IterableExtensions.<Marker>findFirst(this.getMarkers(), _function);
	String _value = null;
	if (_findFirst!=null) {
		_value=_findFirst.getValue();
	}
	return _value;
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public boolean isMarkedAs(final String theKey, final String theValue) {
	final Function1<Marker, Boolean> _function = new Function1<Marker, Boolean>() {
		public Boolean apply(final Marker it) {
			return Boolean.valueOf((Objects.equal(it.getKey(), theKey) && Objects.equal(it.getValue(), theValue)));
		}
	};
	Marker _findFirst = IterableExtensions.<Marker>findFirst(this.getMarkers(), _function);
	return (_findFirst != null);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
/**
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public boolean hasLineTag(final String title) {
	final Function1<LineTag, Boolean> _function = new Function1<LineTag, Boolean>() {
		public Boolean apply(final LineTag it) {
			String _title = it.getTitle().getTitle();
			return Boolean.valueOf(Objects.equal(_title, title));
		}
	};
	LineTag _findFirst = IterableExtensions.<LineTag>findFirst(this.getLineTags(), _function);
	return (_findFirst != null);
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
@Test
public void testOverridenInterfaceMethod() {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("public interface MySuperClass {");
  _builder.newLine();
  _builder.append("    ");
  _builder.append("public java.util.Collection<? extends CharSequence> getThem();");
  _builder.newLine();
  _builder.append("}");
  _builder.newLine();
  Pair<String, String> _mappedTo = Pair.<String, String>of("MySuperClass.java", _builder.toString());
  StringConcatenation _builder_1 = new StringConcatenation();
  _builder_1.append("public interface MySubClass extends MySuperClass {");
  _builder_1.newLine();
  _builder_1.append("    ");
  _builder_1.append("@Override");
  _builder_1.newLine();
  _builder_1.append("    ");
  _builder_1.append("public java.util.List<? extends String> getThem();");
  _builder_1.newLine();
  _builder_1.append("}");
  _builder_1.newLine();
  Pair<String, String> _mappedTo_1 = Pair.<String, String>of("MySubClass.java", _builder_1.toString());
  final XtextResourceSet rs = this.resourceSet(_mappedTo, _mappedTo_1);
  final Function1<Resource, Boolean> _function = (Resource it) -> {
    return Boolean.valueOf(it.getURI().toString().endsWith("MySubClass.java"));
  };
  final Resource resource = IterableExtensions.<Resource>findFirst(rs.getResources(), _function);
  EObject _head = IterableExtensions.<EObject>head(resource.getContents());
  final JvmGenericType clazz = ((JvmGenericType) _head);
  final JvmTypeReference referenced = IterableExtensions.<JvmOperation>head(clazz.getDeclaredOperations()).getReturnType();
  Assert.assertNotNull(IterableExtensions.<JvmTypeReference>head(((JvmParameterizedTypeReference) referenced).getArguments()));
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
@Test
public void testClassShadowing() {
  StringConcatenation _builder = new StringConcatenation();
  _builder.append("package org.eclipse.xtext.java.tests;");
  _builder.newLine();
  _builder.append("public class MySuperClass2 {");
  _builder.newLine();
  _builder.append("    ");
  _builder.append("public void doSomething() {");
  _builder.newLine();
  _builder.append("        ");
  _builder.newLine();
  _builder.append("    ");
  _builder.append("}");
  _builder.newLine();
  _builder.append("}");
  _builder.newLine();
  Pair<String, String> _mappedTo = Pair.<String, String>of("org/eclipse/xtext/java/tests/MySuperClass2.java", _builder.toString());
  StringConcatenation _builder_1 = new StringConcatenation();
  _builder_1.append("package org.eclipse.xtext.java.tests;");
  _builder_1.newLine();
  _builder_1.append("public class MySubClass2 extends MySuperClass2 {");
  _builder_1.newLine();
  _builder_1.append("}");
  _builder_1.newLine();
  Pair<String, String> _mappedTo_1 = Pair.<String, String>of("org/eclipse/xtext/java/tests/MySubClass2.java", _builder_1.toString());
  final XtextResourceSet rs = this.resourceSet(_mappedTo, _mappedTo_1);
  final Function1<Resource, Boolean> _function = (Resource it) -> {
    return Boolean.valueOf(it.getURI().toString().endsWith("MySuperClass2.java"));
  };
  final Resource superResource = IterableExtensions.<Resource>findFirst(rs.getResources(), _function);
  EObject _head = IterableExtensions.<EObject>head(superResource.getContents());
  final JvmGenericType clazz = ((JvmGenericType) _head);
  Assert.assertNotNull(IterableExtensions.<JvmOperation>head(clazz.getDeclaredOperations()));
}
 

import org.eclipse.xtext.xbase.lib.IterableExtensions; //导入方法依赖的package包/类
public ILeafNode nodeForKeyword(final EObject obj, final String kw) {
  ILeafNode _xblockexpression = null;
  {
    final ICompositeNode node = NodeModelUtils.findActualNodeFor(obj);
    final Function1<INode, Boolean> _function = (INode it) -> {
      return Boolean.valueOf(((Objects.equal(it.getSemanticElement(), obj) && (it.getGrammarElement() instanceof Keyword)) && Objects.equal(it.getText(), kw)));
    };
    INode _findFirst = IterableExtensions.<INode>findFirst(node.getAsTreeIterable(), _function);
    _xblockexpression = ((ILeafNode) _findFirst);
  }
  return _xblockexpression;
}